EP3208820B1 - Rotary command system for a device - Google Patents

Rotary command system for a device Download PDF

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Publication number
EP3208820B1
EP3208820B1 EP17156599.7A EP17156599A EP3208820B1 EP 3208820 B1 EP3208820 B1 EP 3208820B1 EP 17156599 A EP17156599 A EP 17156599A EP 3208820 B1 EP3208820 B1 EP 3208820B1
Authority
EP
European Patent Office
Prior art keywords
rotary member
locking plate
pin
control system
rotary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17156599.7A
Other languages
German (de)
French (fr)
Other versions
EP3208820A1 (en
Inventor
Daniel Sinthomez
Florent Pitis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP3208820A1 publication Critical patent/EP3208820A1/en
Application granted granted Critical
Publication of EP3208820B1 publication Critical patent/EP3208820B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/28—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for preventing unauthorised access to the controlling member or its movement to a command position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/14—Operating parts, e.g. turn knob
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/36—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having only two operative positions, e.g. relatively displaced by 180 degrees
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G2505/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel
    • H01H2071/565—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel using a add on unit, e.g. a separate rotary actuator unit, mounted on lever actuated circuit breakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/01—Spiral spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/08—Turn knobs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/20—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling

Definitions

  • the invention relates to a rotary control system for an apparatus.
  • the invention also relates to an electrical cabinet comprising a controllable electrical appliance and such a rotary control system for controlling this electrical appliance.
  • the invention is more particularly applicable to rotary control systems for electrical appliances, such as circuit breakers.
  • such systems comprise a rotary control member movable in rotation between predefined positions associated with electrical states separate from the electrical apparatus, for example active and stopped states.
  • electrical states For a circuit breaker, for example, these electrical states correspond to the closed state and the open state.
  • the electrical apparatus is placed inside an electrical cabinet, on a bottom wall of this electrical cabinet.
  • a rotary control handle is placed on a cabinet door, facing the bottom wall, to be accessible and operable from outside the cabinet by a user. This handle is connected to the rotary member, for example by means of a rigid shaft, so that the rotation of the control handle rotates the rotary member between its predefined positions so as to control the electrical apparatus.
  • the rotatable member can be locked in a predefined position, typically its position corresponding to the open or stopped state of the electrical apparatus, when the cabinet door is open. This is particularly useful during maintenance operations during which the appliance is shut down and the cabinet door is open. Indeed, it is necessary to avoid that the electrical device is accidentally restarted, thus putting under stress an electrical installation on which an operator is working.
  • Control systems are known in which the handle is lockable to prevent rotation thereof.
  • An example of such a handle is described in the patent EP 1 791 149 B1 .
  • a disadvantage of these systems is that they are inoperative when the door is open, because the handle is then no longer connected to the rotary member. Locking the handle does not prevent the rotating member is directly operated and thus the electrical device is returned to its active state.
  • Control systems are also known in which a lock is incorporated in the rotary member. This has the disadvantage of increasing the size and complexity of the system.
  • a lock is typically usable only by a reduced number of keys specifically associated with this lock, which must therefore be provided to each user of the lock. The manufacture and packaging of such a system for delivery to customers are thus complicated and expensive.
  • the invention intends to remedy more particularly, by proposing a control system of an apparatus provided with a rotary control member with a simplified design and a small footprint and which simply allows locking in a of his positions.
  • the locking device to lock the rotary member in its first position, it is sufficient to move the locking plate in rotation until the first and second holes are superposed with each other to form the opening. In doing so, during the displacement of the locking plate, the locking device is simply moved to its locking configuration, thus preventing a displacement of the rotary control member. It is then sufficient to insert a locking tool, such as a padlock, through the opening to prevent a rotational movement of the locking plate. The locking device is therefore able to be maintained in its blocking configuration, thus preventing the rotary control member from being moved to its second position.
  • the lock can be achieved simply with a padlock, without it being necessary to incorporate a dedicated lock.
  • the design of the system is thus simplified, as is its manufacture under industrial conditions.
  • it provides greater flexibility of use because it is the user who brings his own locking tool, any locking tool can be used.
  • any locking tool can be used.
  • only the keys previously associated with this lock can be used, which complicates the use when several different users must intervene on the device and that these users are in number greater than the number of keys available.
  • the invention relates to an electrical cabinet comprising a controllable electrical appliance housed inside the cabinet and a rotary control system connected to the electrical appliance for controlling the electrical appliance. from outside the cabinet, the control system being as previously described.
  • the figure 1 represents an electrical cabinet 2.
  • the cabinet 2 comprises a bottom wall 4 which extends substantially in a geometric plane P.
  • the cabinet 2 also comprises side walls 6, 8 and 10 upper and lower.
  • the walls 6, 8 and 10 extend perpendicular to the geometric plane P.
  • the walls 4, 6, 8 and 10 define a housing L.
  • the cabinet 2 also comprises a door 12 which is reversibly movable between an open position, in which the housing L is open towards the outside of the cabinet 2 and a closed position, in which the door 12 closes the door.
  • the door 12 is pivotally mounted along an axis which extends parallel to the plane P so that, in its closed position, the door 12 faces the bottom wall 4.
  • the door 12 is pivotally mounted by means of a hinge fixed on an outer edge of one or other of the side walls 6 or 8.
  • the cabinet 12 here has a parallelepiped-shaped trapezoidal shape.
  • the walls 4, 6, 8 and 10 and the door 12 are, for example, made of metal.
  • the "rear face” of an element corresponds to the face of this element which is turned towards the bottom wall 4 and which extends essentially the plane P.
  • the "front face” of an element is the face of this element which is opposite to its front face and which is turned to the side of the door 12 when the door is closed.
  • the electrical cabinet 2 further comprises an electrical apparatus 20 which is fixedly disposed inside the housing L on the bottom wall 4.
  • the electrical apparatus 20 is electrically connected to electrical conductors of an electrical circuit to protect and penetrate inside the cabinet 2. To simplify the figure 1 these electrical conductors are not illustrated.
  • the electrical apparatus 20 is switchable, selectively and reversibly, between two distinct electrical states, for example an active state, called “ON” and a stopped state, called “OFF".
  • the electrical apparatus 20 is a circuit breaker.
  • the apparatus 20 is switchable between its electrical states by means of a switch incorporated in the apparatus 20 and disposed on a front face 22 of the apparatus 20.
  • the switch is here a rotary switch which is rotates about a fixed axis X1 to switch the electrical apparatus 20 between its electrical states.
  • the axis X1 extends perpendicular to the geometric plane P.
  • the electrical cabinet 2 further comprises a rotary control system 30 of the apparatus 20 for controlling the switching of the electrical apparatus 20 between its electrical states from outside the cabinet 2 when the door 12 is closed.
  • the control system 30 is here fixed on the front face 22 of the apparatus 20 and is mechanically coupled with the switch of the electrical apparatus 20.
  • the control system 30 comprises a rotary control member 32, a locking plate 33 and a fixed frame 34.
  • the frame 34 is here fixedly mounted and without degree of freedom on the front face 22 of the apparatus 20.
  • the rotatable member 32 is rotatable, relative to the frame 34, about the axis X1 between first and second stable and distinct positions.
  • the rotary member 32 is rotatably mounted about this axis X1 on the frame 34.
  • the rotary member 32 is described in more detail in the following.
  • the rotary member 32 is here mechanically coupled in rotation with this rotary switch about the axis X1.
  • the switch is a lever, or rocker, displaceable by exerting a force along a direction that extends parallel to the plane P.
  • the frame 34 advantageously encloses a motion transmission system. which converts the rotation of the rotatable member 32 around the axis X1 in a translational force in the vertical direction to switch the switch.
  • the control system 30 further comprises a rotary control handle 36 which is intended to be secured in rotation with the rotary member 32 about the axis X1.
  • the handle 36 is mounted on the door 12, here in front of the member 32.
  • the handle 36 comprises a movable portion 38 movable in rotation between two distinct positions around an axis X 2, which extends perpendicular to the door 12, and a fixed base 40 which is fixedly mounted on the door 12.
  • the handle 36 is connected to a coupling 42 secured in rotation about the axis X2 with the mobile part 38.
  • the rotational displacement of the handle 36 refers to the rotational displacement of the movable portion 38.
  • the axis X2 is parallel with the axis X1.
  • the axes X1 and X2 are then merged.
  • the axes X1 and X2 are not coincidental but offset with respect to each other, for example because the handle 36 is not in front of the member 32. In this case, an appropriate mechanism is used to transmit the movement of the handle 36 towards the member 32.
  • the control system 30 further comprises a shaft 44 with a polygonal section mounted to rotate with the rotary member 32.
  • the shaft 44 extends substantially along the axis X1.
  • the shaft 44 makes it possible to rotate the handle 36 with the rotary member 32 when the door 12 is closed.
  • the shaft 44 carries the connector 42 on one of its ends.
  • the coupling 42 is fixedly mounted on the shaft 44 and is selectively disconnectable from the movable portion 38 of the handle 36.
  • the connector 42 rotates, around the axis X1, the movable portion 38 of the handle 36 with the shaft 44 and thus with the member 32.
  • the axis X2 is no longer aligned with the axis X1.
  • the handle 36 is in a remote position, as is the connector 32.
  • the movable portion 38 of the handle 36 is disconnected from the connector 42.
  • the handle 36 is thus mechanically decoupled from the rotary member 32.
  • the connector 42 is carried by the handle 36, and remains integral with the movable portion 38. When the door 12 is open, the shaft 44 disengages the connector 42.
  • the shaft 44 is here mounted fixedly integral in rotation with the rotary member 32.
  • the rotary member 32 comprises a cavity 46, polygonal section complementary to that of the shaft 44 and provided on a central portion of this rotating member 32 and wherein an end of the shaft 44 is received.
  • the rotary member 32 comprises a piece of fastener 48, such as a set screw, for fixedly holding the shaft 44 inside the cavity 46 and thus prevent any displacement in translation along the axis X1 tending to move the shaft 44 away from the cavity 46 .
  • the control system 30 further comprises a blocking device 50, illustrated in FIGS. Figures 2 and 3 .
  • a blocking device 50 illustrated in FIGS. Figures 2 and 3 .
  • the device 50 is selectively movable between a lock pattern and a release pattern.
  • the device 50 prevents the rotational member 32 from moving to its second position.
  • the device 50 allows the displacement of the rotatable member 32 to its second position.
  • the rotary member 32 has a body 52 whose orthogonal geometric projection in the geometrical plane P has essentially a disc shape.
  • the rotatable member 32 has a ring 54 which defines a through opening 56, or orifice. Here, this ring extends parallel to the plane P.
  • the member 32 comprises a mark 58 formed on an edge of the body 52 and which makes it possible to indicate visually the position in which the rotary member 32 is located.
  • the mark 58 has an arrow shape.
  • the frame 34 is then covered with visual indicators which are positioned in such a way that the mark 58 points towards one or the other of these indicators, when the rotary member 32 is in one or other of its positions.
  • the ring 54 is formed on a peripheral edge of the body 52, by piercing the body 52.
  • the locking device 50 here comprises a pin 60, movable and carried by the member 32, illustrated in FIG. figure 4 .
  • This pin 60 is partially received in a housing 62 formed on the body 52.
  • the pin 60 is movable in translation between deployed and retracted positions relative to the member 32 along an axis X3 perpendicular to the plane P and integral with the member 32.
  • a distal end 64 of the pin 60 is received inside a blind hole 66 formed on the frame 34.
  • the pin 60 penetrates inside this hole for a length of minus 5 mm or even 8 mm.
  • the pin 60 prevents the rotation of the rotary member 32 about the axis X1 relative to the frame 34.
  • the locking device 50 is then said to be in its blocking configuration.
  • the distal end 64 of the pin 60 is outside the hole 66, for example by being retracted inside the housing 62. Due to the absence of the pin 60 in the hole 66, the rotary member 32 is free to move in rotation about the axis X1 relative to the frame 34. The locking device 50 is then said to be in its release configuration.
  • the device 50 further comprises a resilient return member 68 exerting on the pin 60 a return force towards its retracted position.
  • the return member 68 is housed inside the housing 62 being fixed on the one hand to an inner wall of the housing 62 and on the other hand to the pin 60.
  • the return member 68 is a helical spring.
  • the pin 60 here comprises a body of substantially cylindrical shape with a circular base and which extends along the axis X3.
  • the point 60 has, on an end 70 opposite to the distal end 64, a head 72 formed of a frustoconical portion 74 and an end portion 76.
  • the portion 74 is placed between the body of the peg 60 and the portion 76 and here has a truncated cone shape of axis X3.
  • the outer walls of this portion 74 have an angle with respect to the axis X3 which is for example 45 °.
  • the pin 60 is here made of metal.
  • the end portion 76 here has a rounded shape, for example a half-sphere.
  • the housing 62 here has a cylindrical shape of axis X3 with an internal diameter greater than the diameter of the cylindrical body of the pin 60.
  • the rotating member 32 is made of metal, for example in a copper alloy, zinc and aluminum, which gives it a satisfactory hardness and rigidity.
  • the locking plate 33 is rotatable about the axis X1 relative to the rotatable member 32. More specifically, when the rotatable member 32 is in its first position, the plate 33 is movable between locking positions and unlocking by rotation around the axis X1.
  • the plate 33 is configured to switch the blocking device 50 to its blocking position when it is moved from its unlocked position to its position locked. Similarly, plate 33 switches blocking device 50 from its blocking configuration to its release configuration as it is moved from its locked position to its unlocked position.
  • the plate 33 here has a substantially planar shape and extends parallel to the plane P, when it is mounted within the system 30.
  • the plate 33 has a central bore in the center of which passes the axis X1.
  • the plate 33 is arranged coaxially with the rotary member 32.
  • the central bore is traversed by the portion of the rotary member 32 which carries the cavity 46.
  • the rear face of the plate 33 is turned towards the front face of the organ 32.
  • the plate 33 further comprises a ring 82 which defines a through hole 84, for example formed by drilling in the vicinity of an outer edge of the plate 33.
  • This orifice 84 opens on the front and rear faces of the plate 33.
  • the ring 82 extends in the same geometric plane as the ring 54, here parallel to the plane P.
  • the orifices 56 and 84 are superimposed on one another and form an opening 86 which is adapted to receive, by insertion through this opening 86, a locking tool capable of securing in rotation the rotary member 32 with the locking plate 33 about the axis X1.
  • this lock tool is a lock.
  • a locking tool is shown schematically by the line 88, which represents the handle of a padlock inserted through the opening 86.
  • the orifices 56 and 84 are said to be superposed when the orifices 56 and 84 have at least 30%, preferably at least 50%, of their area in common.
  • the opening 86 when formed, has an area greater than or equal to 0.5 cm 2
  • the opening 86 has a disc shape with a diameter greater than or equal to 0.5 cm, preferably at 1 cm, more preferably at 2 cm.
  • the known locking tools such as clamps or padlocks commonly used by electrical maintenance operators, can be inserted through the opening 86.
  • the orifices 84 and 56 are angularly offset relative to one another about the axis X1 and do not form the opening 86, as illustrated in FIG. figure 2 .
  • less than 20% or 15% or 10% of the area of the orifice 84 is superimposed with the area of the orifice 56.
  • the areas of the orifices 56 and 84 are not superimposed. at all.
  • the plate 33 has a bearing zone 100 which is shaped to move the pin 60 to its extended position, by pressing on the proximal end 70 of the pin 60, when the plate 33 is moved from its unlocked position to its locked position.
  • the bearing zone 100 comprises an inclined portion 102, or inclined plane, and straight portions 104 and 106.
  • the bearing zone is here arranged opposite the pin 60, on an outer periphery of the plate 33.
  • the part 102 is projecting with respect to a geometric plane P2 in which the plate 33 essentially extends, this plane P2 forming a main plane of the plate 33.
  • the inclined portion 102 of the plate 33 extends along a plane geometric P3 which forms with the geometric plane P2 an angle ⁇ .
  • the angle ⁇ is for example between 30 ° and 60 ° and preferably between 40 ° and 50 °. In this example, the angle ⁇ is equal to 45 °.
  • the angle ⁇ is preferably chosen as a function of the angle of inclination of the walls of the frustoconical portion 74 of the pin 60.
  • the orthogonal projection of the portion 102 in the plane P2 extends substantially in a circular arc, here following the periphery of the plate 33.
  • the portion 102 extends here between first and second angular positions, away from the plane P2 from the first angular position to the second angular position. These angular positions are here defined with respect to the geometric center of the plate 33.
  • the angle between these first and second angular positions, measured in the plane P2 depends on the stroke of the pin 60 and the angle ⁇ .
  • the parts 102, 104 and 106 are in contact with each other and are for example formed integrally and with the plate 33.
  • the parts 102, 104 and 106 are formed by localized stamping of the plate 33
  • the piece 33 is formed by molding.
  • the portion 104 extends substantially parallel to the plane P2 and connects the portion 102 with the portion 106.
  • the portion 106 is projecting with respect to the plane P2, with an angle with respect to this plane P2 strictly greater than 45 °, preferably greater than or equal to 55 ° or 75 °, or, alternatively, perpendicular to the plane P2.
  • the portions 102, 104 and 106 define a housing which receives the end 70 of the pin 60 when in its retracted position.
  • the angle ⁇ is measured on the side of the portion 102 facing the interior of the housing.
  • the portion 76 of the pin 60 then abuts against the portion 104 when the plate 33 is in its unlocked position, because of the return force E68 exerted by the return member 68. Thanks to the hemispherical shape of the end portion 76, the contact surface between the proximal end 70 of the pin 60 and the portion 104 of the plate 33 is reduced, which limits the frictional forces between the plate 33 and the pin 60 when moving the plate 33 with respect to the rotary member 32.
  • the portion 102 moves the pin 60 from its retracted position to its deployed position when the plate 33 is moved from its unlocked position to its locked position by turning the plate 33 relative to the member 32 in the direction represented by the arrow F1 to the figure 4 .
  • the portion 102 forms a cam against which the end portion 76 slides.
  • the portion 102 exerts a thrust force E102 on the pin 60 directed according to FIG. X3 axis. This effort E102 opposes and surpasses the force E68 exerted by the return member 68 on the pin 60.
  • the pin 60 When the rotatable member 32 is in its first position, the pin 60 is in front of the hole 66 and thus slides relative to the housing 62 along the axis X3, so that the end 64 enters gradually to the inside the hole 66 until the pin 60 is in its first deployed position. Then, the plate 33 covers the head 72 of the pin and prevents any subsequent movement of the pin 60 relative to the housing 62.
  • the pin 60 can not move to its deployed position. If the plate 33 is rotated relative to the rotatable member 32 to exert the force E102 as described above, the pin 60 moves but its distal end 64 abuts against the frame 34. then not possible to continue moving the plate 33 to its locked position. Thus, as long as the rotary member 32 is not its first position, the plate 33 can not be moved to its locking position, although here it can however move slightly with respect to the rotary member 32 of the makes the length of part 104.
  • the portion 106 prevents, for its part, a displacement of the plate 33 in an opposite direction as explained in the following.
  • the length of the portion 102 is advantageously chosen so that the rotational movement of the plate 33 between its unlocked and locked positions is sufficient to completely move the pin 60 from its retracted position to its deployed position.
  • the pin 60 is completely in its retracted position.
  • the locking tool 88 is inserted into the opening 86, the plate 33 is integral in rotation with the member 32 about the axis X1 and the pin can not be moved from the retracted position, in which it is located immobilizing the rotary member 32 in its first position.
  • the plate 33 comprises a protective blade 120 which protrudes from the outer face of the plate 33.
  • the blade 120 is shaped to cover the outside of the part 48 only when the plate 33 is in its locked position, as shown in the figure 3 .
  • the blade 120 extends projecting along an axis parallel to the axis X1.
  • the blade 120 blocks access to the part 48 thus preventing disassembly of the shaft 44. Such disassembly is undesirable because it would allow a user to separate the constituent elements of the system 30 and thus bypass the lock provided. by the body 88.
  • the blade 120 When the plate 33 is in the unlocked position, the blade 120 is spaced from the fastener 48 and allows access to this part, as illustrated in FIG. figure 2 .
  • the blade 120 is thus positioned at a predefined location so as to cover the fastener 48 only when the plate 33 is in its locking position.
  • the angular offset, measured parallel to the plane P and around the axis X1 between the protection blade 120 and the geometric center of the orifice 84 is the same as the angular offset, measured in the same way, between the fastener 48 and the geometric center of the orifice 56.
  • the rotary member 32 comprises a groove 130 formed on one of its outer faces and opening onto a volume at least partly defined by an inner wall of the rotary member 32, as illustrated in FIG. figure 5 .
  • the groove 130 is a slot which passes through the body 52 and which opens on either side of the body 52 on opposite sides of the body 52.
  • the groove 130 comprises a main portion 132 and a secondary portion 134.
  • the groove 130 extends here parallel to the geometric plane P.
  • the main portion 132 has a first opening thickness E1, measured along a radial axis of the body 52 parallel to the plane P between opposite edges of this main portion of the groove 130.
  • the secondary portion has a second radial thickness E2 measured from similarly, parallel to the plane P between opposite edges of this secondary portion 134.
  • the thickness E2 is greater than the thickness E1.
  • the plate 33 comprises, in turn, a claw 136 protruding from the rear face of the plate 33.
  • the claw 136 is slidably mounted inside the groove 130 when the plate 33 is in a assembled state with the control system 30. More specifically, the claw 136 is inserted inside the groove 130 so that a retaining portion 138 of the claw 136 is supported on the rear face of the body 52.
  • the portion 138 has a width E3 which is greater than the opening thickness E1 of the main portion 132 of the groove 130. Thus, the portion 138 prevents any displacement in translation of the plate 33 relative to the rotary member 32 along the axis X1.
  • the claw 136 moves only along the main portion 132 of the groove 130.
  • the plate 33 has three claws 136 and the member 32 has three grooves 130 identical to each other and each receiving a corresponding claw 136.
  • the claws 136 and the grooves 130 are preferably evenly distributed around the axis X1, at 120 ° in the example.
  • the abutment 134 defines a mounting position of the plate 32 separate from the locking and unlocking positions. In this mounting position, the plate 33 is displaceable in translation relative to the rotary member 32 along the axis X1 to insert the or each claw 136 in the corresponding groove 130.
  • the portion 106 of the zone 100 prevents the plate 33 from returning to its mounting position once the claw 136 is inserted into the groove 130. Because this portion 106 protrudes with respect to the plane P2 as described above, and therefore parallel to the axis X3, it does not allow to move in translation the pin 60 from its retracted position to its deployed position by turning the plate 33, in the manner of what is achieved with the inclined portion 102 .
  • control system 30 An example of use of the control system 30 will now be described with reference to Figures 1 to 5 .
  • the plate 33 is in a disassembled state of the system 30.
  • the pin 60 and the return member 68 are previously mounted in the device 30.
  • the plate 33 is first mounted on the rotary member 32, for example in threading the portion of the rotatable member 32 carrying the cavity 46 through the central orifice 80 of the plate 33.
  • the plate 33 is rotated so that the claw 136 is disposed opposite the secondary portion 134 of the groove 130.
  • the plate 33 is then in its mounting position.
  • the plate 33 is then pushed towards the member 32 along the axis X1. In doing so, the claw 136 enters the groove 130.
  • the proximal end 70 of the pin 60 is pushed by the plate 33, which causes a movement of the pin 60 in its retracted position.
  • the plate 33 is rotated relative to the rotatable member 32 so as to bring the plate 33 into its unlocking position, as shown in FIG. figure 4 .
  • the plate 33 is rotated in the direction illustrated by the arrow F1 during this rotation, the claw 136 leaves the secondary portion 134 to penetrate inside the main portion 132 of the groove 130.
  • the plate 33 is moves relative to the pin 60 until the housing defined by the parts 102, 104 and 106 of the plate 33 is brought opposite the proximal end 70 of the pin 60. Then, the plate 33 is no longer in contact with the end 70 and no longer opposes the force E68 exerted by the member 68.
  • the counter 60 is pushed towards its retracted position until it comes into abutment against the straight part 104 of the plate 33. Because of the straight part 106, it is no longer possible to impose on the plate 33 a rotation movement in the direction reverse to return to the mounting position. Thus, it is avoided that the plate 33 can be spaced along the axis X1 of the rotary member 32 when it is in the locking position, which would have the effect of rendering inoperative the locking exerted by the locking device 50 on the rotary member 32. If this occurred, the rotatable member 32 could then be manipulated, accidentally or maliciously, to switch the electrical apparatus 20 to its active state in an unauthorized manner.
  • the blocking device is in its release configuration.
  • the rotary member 32 is freely movable between its first and second positions to switch the electrical device between its active and off states.
  • the door 12 is closed and the control of the apparatus 20 is effected by means of the handle 36 from the outside of the cabinet 2.
  • the door 12 is open.
  • the plate 33 rotates about the axis X1 relative to the rotary member 32, for example manually, until the orifices 84 and 56 overlap and form the opening 86.
  • the bearing zone 100 moves until the inclined portion 102 comes into contact with the head 72 of the pin 60, exerting the effort E102 as described above.
  • the progressive rotation of the plate 33 moves the pin 60 towards its deployed position in the hole 66.
  • the plate 33 is in its locked position, as illustrated in FIG. figure 3 .
  • the pin 60 is in its extended position and prevents any rotational movement of the rotary member 32 relative to the frame 34.
  • the plate 33 When a user removes the locking member 88, the plate 33 is again movable relative to the rotary member 32. The plate 33 is then rotated in an opposite direction of rotation and the zone 100 moves in a direction of rotation. opposite to the one illustrated by the arrow F1. Under the force E68, the pin 60 moves to its position retracted up to abut against the portion 104. Meanwhile, the orifices 84 and 56 move away from each other making it impossible to insert a locking tool to secure between them the plate 33 and the rotating member 32. The plate 33 is then in its unlocked position, as shown in FIG. figure 2 . Rotating member 32 is freely movable to its second position to switch electrical apparatus 20 to its active state.
  • control system 30 includes an additional control handle 200, as illustrated only on the figure 6 .
  • the handle 200 is mounted on the shaft 44 inside the cabinet 2. This handle 200 is distinct from the handle 36.
  • the handle 200 is configured to facilitate a rotational movement of the shaft 44 around the X1 axis by a user. It also prevents this rotation is accidental.
  • the handle 200 comprises an outer body 202 provided with a central bore 204 allowing the passage of the shaft 44.
  • the handle 200 further comprises a movable portion 206 displaceable in translation relative to the body 202 along an integral Y1 axis of the outer body 202 and perpendicular to the axis X1.
  • the movable portion 206 has an outer portion 208 and jaws 210 defining a housing 212.
  • the movable portion 202 is movable, along the axis Y1, between a first position in which the shaft 44 is remote from the jaws 210 and is outside the housing 212, and a second position in which the shaft 44 is enclosed by the jaws 210 inside the housing 212.
  • the handle 200 further comprises a return member 214, such as a spring, configured to exert a return force on the movable portion 206 along the axis Y1 to bring the movable portion 206 to its first position.
  • a return member 214 such as a spring
  • the handle 200 When the movable portion 206 is in its first position, the handle 200 is rotatable relative to the shaft 44 about the axis X1. Thus the setting in motion of the handle 200 does not cause corresponding rotation of the shaft 44.
  • the handle 200 still exerts a non-zero force on the shaft 44, to prevent the handle 200 from sliding freely on the shaft 44, which allows to maintain it at a desired location by a user.
  • the handle 200 When the movable portion 206 is in the second position, the handle 200 is rotationally integral with the shaft 44 about the axis X1, thanks to the action of the jaws 210 on the shaft 44. A rotating movement of the handle 200 therefore causes a corresponding rotational movement of the shaft 44 about the axis X1.
  • the passage between the first and second positions of the movable portion 206 is effected by exerting pressure on the outer portion 208 along the Y1 axis. When this pressure is sufficiently high, it opposes the return force by the return member 214 and causes displacement of the movable portion to its second position. When no pressure is exerted on the outer portion 208, the movable portion 206 returns to its first position under the effect of the return member 214.
  • the handle 200 can be used only when a force is applied on the outer portion 208. In this way, it is ensured that the rotation of the handle 200 is the result of a deliberate action on the part of a user and not an accidental movement exerted on the handle 200.
  • the handle 200 can be implemented independently of the control system 30 described above.
  • the apparatus 20 is not an electrical apparatus. It can be a controllable valve.

Description

L'invention concerne un système de commande rotative pour un appareil. L'invention concerne également une armoire électrique comportant un appareil électrique commandable et un tel système de commande rotative pour commander cet appareil électrique.The invention relates to a rotary control system for an apparatus. The invention also relates to an electrical cabinet comprising a controllable electrical appliance and such a rotary control system for controlling this electrical appliance.

L'invention s'applique plus particulièrement à des systèmes de commande rotative pour des appareils électriques, tels que des disjoncteurs. De façon connue, de tels systèmes comportent un organe rotatif de commande déplaçable en rotation entre des positions prédéfinies associées à des états électriques distincts de l'appareil électrique, par exemple des états actif et arrêté. Pour un disjoncteur, par exemple, ces états électriques correspondent à l'état fermé et à l'état ouvert. Typiquement, l'appareil électrique est placé à l'intérieur d'une armoire électrique, sur une paroi de fond de cette armoire électrique. Une poignée de commande rotative est placée sur une porte de l'armoire, faisant face à la paroi de fond, pour être accessible et actionnable depuis l'extérieur de l'armoire par un utilisateur. Cette poignée est reliée à l'organe rotatif, par exemple au moyen d'un arbre rigide, pour que la rotation de la poignée de commande entraîne en rotation l'organe rotatif entre ses positions prédéfinies de manière à commander l'appareil électrique.The invention is more particularly applicable to rotary control systems for electrical appliances, such as circuit breakers. In known manner, such systems comprise a rotary control member movable in rotation between predefined positions associated with electrical states separate from the electrical apparatus, for example active and stopped states. For a circuit breaker, for example, these electrical states correspond to the closed state and the open state. Typically, the electrical apparatus is placed inside an electrical cabinet, on a bottom wall of this electrical cabinet. A rotary control handle is placed on a cabinet door, facing the bottom wall, to be accessible and operable from outside the cabinet by a user. This handle is connected to the rotary member, for example by means of a rigid shaft, so that the rotation of the control handle rotates the rotary member between its predefined positions so as to control the electrical apparatus.

Pour des raisons de sécurité, il est souhaitable que l'organe rotatif puisse être verrouillé dans une position prédéfinie, typiquement sa position correspondant à l'état ouvert ou arrêté de l'appareil électrique, lorsque la porte de l'armoire est ouverte. Ceci est particulièrement utile lors d'opérations de maintenance pendant lesquelles l'appareil électrique est arrêté et la porte de l'armoire est ouverte. En effet, il faut éviter que l'appareil électrique ne soit accidentellement remis en marche, mettant ainsi sous tension une installation électrique sur laquelle un opérateur est en train de travailler.For safety reasons, it is desirable that the rotatable member can be locked in a predefined position, typically its position corresponding to the open or stopped state of the electrical apparatus, when the cabinet door is open. This is particularly useful during maintenance operations during which the appliance is shut down and the cabinet door is open. Indeed, it is necessary to avoid that the electrical device is accidentally restarted, thus putting under stress an electrical installation on which an operator is working.

On connaît des systèmes de commande, dans lesquels la poignée est verrouillable pour empêcher sa rotation. Un exemple d'une telle poignée est décrit dans le brevet EP 1 791 149 B1 . Un inconvénient de ces systèmes est qu'ils sont inopérants lorsque la porte est ouverte, car la poignée n'est alors plus reliée à l'organe rotatif. Le verrouillage de la poignée n'empêche pas que l'organe rotatif soit directement manoeuvré et donc que l'appareil électrique soit remis dans son état actif.Control systems are known in which the handle is lockable to prevent rotation thereof. An example of such a handle is described in the patent EP 1 791 149 B1 . A disadvantage of these systems is that they are inoperative when the door is open, because the handle is then no longer connected to the rotary member. Locking the handle does not prevent the rotating member is directly operated and thus the electrical device is returned to its active state.

Il n'est pas toujours possible de placer une poignée additionnelle verrouillable directement sur l'organe rotatif de commande à l'intérieur de l'armoire, car cela compliquerait l'insertion de l'arbre rigide de la poignée de commande dans l'organe rotatif.It is not always possible to place an additional lockable handle directly on the rotary control member inside the cabinet, as this would complicate the insertion of the rigid shaft of the control handle into the body. rotary.

On connaît également des systèmes de commande dans lesquels une serrure est incorporée au niveau de l'organe rotatif. Cela a pour inconvénient d'accroître l'encombrement et la complexité du système. De plus, une telle serrure n'est typiquement utilisable que par un nombre réduit de clés spécifiquement associées à cette serrure qui doivent donc être fournies à chaque utilisateur de la serrure. La fabrication et le conditionnement d'un tel système en vue de sa livraison à des clients sont ainsi compliqués et coûteux.Control systems are also known in which a lock is incorporated in the rotary member. This has the disadvantage of increasing the size and complexity of the system. In addition, such a lock is typically usable only by a reduced number of keys specifically associated with this lock, which must therefore be provided to each user of the lock. The manufacture and packaging of such a system for delivery to customers are thus complicated and expensive.

C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention, en proposant un système de commande d'un appareil pourvu d'un organe rotatif de commande avec une conception simplifiée et un encombrement réduit et qui autorise simplement un verrouillage dans une de ses positions.It is these disadvantages that the invention intends to remedy more particularly, by proposing a control system of an apparatus provided with a rotary control member with a simplified design and a small footprint and which simply allows locking in a of his positions.

A cet effet, l'invention propose un système de commande rotative pour un appareil, ce système comportant :

  • un organe rotatif de commande, mobile en rotation autour d'un premier axe fixe, entre des première et deuxième positions,
  • une poignée rotative de commande, destinée à être solidarisée en rotation avec l'organe rotatif autour du premier axe,
  • un dispositif de blocage, déplaçable sélectivement, lorsque l'organe rotatif est dans sa première position, entre :
    • ∘ une configuration de blocage, dans laquelle il empêche le déplacement de l'organe rotatif vers sa deuxième position, et
    • ∘ une configuration de libération, dans laquelle il autorise le déplacement de l'organe rotatif vers sa deuxième position.
Ce système est caractérisé en ce qu'il comporte, en outre, une plaque de verrouillage, mobile en rotation autour du premier axe par rapport à l'organe rotatif, lorsque l'organe rotatif est dans sa première position, entre :
  • ∘ une position de verrouillage, dans laquelle un premier orifice traversant de l'organe rotatif est superposé avec un deuxième orifice traversant de la plaque de verrouillage, ces premier et deuxième orifices formant alors une ouverture apte à recevoir, un outil de verrouillage solidarisant en rotation l'organe rotatif avec la plaque de verrouillage autour du premier axe, et
  • ∘ une position de déverrouillage, dans laquelle les premier et deuxième orifices sont décalés l'un par rapport à l'autre et ne forment pas ensemble l'ouverture,
et en ce que la plaque de verrouillage est configurée pour commuter le dispositif de blocage entre ses configurations de blocage et de libération lorsqu'elle est déplacée entre ses positions, respectivement, verrouillée et déverrouillée.For this purpose, the invention proposes a rotary control system for an apparatus, this system comprising:
  • a rotary control member, rotatable about a first fixed axis, between first and second positions,
  • a rotary control handle, intended to be secured in rotation with the rotary member about the first axis,
  • a selectively movable locking device when the rotary member is in its first position, between:
    • A blocking configuration, in which it prevents the displacement of the rotary member towards its second position, and
    • ∘ a release configuration, in which it allows the displacement of the rotary member to its second position.
This system is characterized in that it comprises, in addition, a locking plate, rotatable about the first axis relative to the rotary member, when the rotary member is in its first position, between:
  • A locking position, in which a first through-hole of the rotary member is superimposed with a second through-hole of the locking plate, these first and second orifices then forming an aperture adapted to receive, a locking tool which rotates in solidarity; the rotatable member with the locking plate about the first axis, and
  • An unlocking position, in which the first and second orifices are offset with respect to one another and do not together form the opening,
and in that the locking plate is configured to switch the locking device between its blocking and releasing configurations as it is moved between its locked and unlocked positions, respectively.

Grâce à l'invention, pour bloquer l'organe rotatif dans sa première position, il suffit de déplacer en rotation la plaque de verrouillage jusqu'à ce que les premier et deuxième orifices se superposent l'un avec l'autre pour former l'ouverture. Ce faisant, au cours du déplacement de la plaque de verrouillage, le dispositif de blocage est simplement déplacé vers sa configuration de blocage, empêchant ainsi un déplacement de l'organe rotatif de commande. Il suffit alors d'insérer un outil de verrouillage, tel qu'un cadenas, au travers de l'ouverture pour empêcher un déplacement en rotation de la plaque de verrouillage. Le dispositif de blocage est donc apte à être maintenu dans sa configuration de blocage, empêchant ainsi à l'organe rotatif de commande d'être déplacé vers sa deuxième position.Thanks to the invention, to lock the rotary member in its first position, it is sufficient to move the locking plate in rotation until the first and second holes are superposed with each other to form the opening. In doing so, during the displacement of the locking plate, the locking device is simply moved to its locking configuration, thus preventing a displacement of the rotary control member. It is then sufficient to insert a locking tool, such as a padlock, through the opening to prevent a rotational movement of the locking plate. The locking device is therefore able to be maintained in its blocking configuration, thus preventing the rotary control member from being moved to its second position.

De cette manière, le verrouillage peut être réalisé simplement avec un cadenas, sans qu'il ne soit nécessaire d'incorporer une serrure dédiée. La conception du système en est ainsi simplifiée, de même que sa fabrication dans des conditions industrielles. De plus, cela procure une plus grande souplesse d'utilisation, car c'est l'utilisateur qui apporte son propre outil de verrouillage, n'importe quel outil de verrouillage pouvant être utilisé. Au contraire, dans le cas d'une serrure, seules les clés préalablement associées à cette serrure peuvent être utilisées, ce qui complique l'utilisation lorsque plusieurs utilisateurs différents doivent intervenir sur l'appareil et que ces utilisateurs sont en nombre supérieur au nombre de clés disponibles.In this way, the lock can be achieved simply with a padlock, without it being necessary to incorporate a dedicated lock. The design of the system is thus simplified, as is its manufacture under industrial conditions. In addition, it provides greater flexibility of use because it is the user who brings his own locking tool, any locking tool can be used. On the contrary, in the case of a lock, only the keys previously associated with this lock can be used, which complicates the use when several different users must intervene on the device and that these users are in number greater than the number of keys available.

Selon des aspects avantageux mais non obligatoires de l'invention, un tel système de verrouillage peut incorporer une ou plusieurs des caractéristiques suivantes, prises dans toute combinaison techniquement admissible :

  • Le dispositif de blocage comporte un pion porté par l'organe rotatif, ce pion étant mobile en translation par rapport à l'organe rotatif, entre :
    • ∘ une position déployée, dans laquelle une première extrémité de ce pion est reçue à l'intérieur d'un trou ménagé sur un bâti fixe du système de commande et empêche la rotation de l'organe rotatif, le dispositif de blocage étant alors dans sa configuration de blocage, et
    • ∘ une position escamotée, dans laquelle la première extrémité du pion est en dehors du trou et autorise la rotation de l'organe rotatif, le dispositif de blocage étant alors dans sa configuration de libération,
    ainsi qu'un organe de rappel exerçant sur le pion un effort de rappel vers sa position escamotée, et une zone d'appui, portée par la plaque de verrouillage et configurée pour pousser le pion vers sa position déployée, par appui sur une deuxième extrémité du pion opposée à la première extrémité, lorsque la plaque de verrouillage est déplacée vers sa position verrouillée.
  • La zone d'appui est un plan incliné par rapport à un plan géométrique principal de la plaque de verrouillage.
  • L'organe de rappel comporte un ressort.
  • La poignée rotative et l'organe rotatif sont solidarisés au moyen d'un arbre, alors que l'organe rotatif comporte une cavité recevant une extrémité de cet arbre et une pièce de fixation de l'arbre à l'organe rotatif et que la plaque de verrouillage comporte une lame de protection qui s'étend en saillie depuis la plaque de verrouillage, cette lame de protection étant conformée pour recouvrir la pièce de fixation uniquement lorsque la plaque de verrouillage est dans sa position verrouillée.
  • L'organe rotatif comporte une rainure ménagée sur une de ses faces extérieures et débouchant sur un volume au moins en partie délimité par une paroi intérieure de l'organe rotatif, alors que la plaque de verrouillage comporte une griffe qui présente une portion de retenue, la griffe étant insérée dans la rainure de sorte que la portion de retenue prend appui sur une face arrière d'un corps de l'organe rotatif, l'épaisseur d'ouverture d'une partie principale de la rainure étant inférieure à la largeur de la portion de retenue de la griffe pour empêcher un déplacement en translation de la plaque de verrouillage selon le premier axe par rapport à l'organe rotatif.
  • La rainure comporte une partie secondaire présentant une épaisseur d'ouverture supérieure à la largeur de la portion de retenue de la griffe, cette partie secondaire définissant une position de montage de la plaque de verrouillage, distincte des positions de verrouillage et de déverrouillage et dans laquelle la plaque de verrouillage est déplaçable en translation par rapport à l'organe rotatif selon le premier axe.
  • La plaque de verrouillage est conformée pour empêcher, une fois que la griffe est insérée dans la rainure, un déplacement vers sa position de montage.
  • La plaque de verrouillage comporte une partie droite conformée pour venir en butée sur le pion lorsque ce pion est dans sa position rétractée et lorsque la plaque de verrouillée est déplacée vers sa position de montage.
According to advantageous but non-mandatory aspects of the invention, such a locking system may incorporate one or more of the following features, taken in any technically permissible combination:
  • The locking device comprises a pin carried by the rotary member, this pin being movable in translation relative to the rotary member, between:
    • An extended position, in which a first end of this pin is received inside a hole provided on a fixed frame of the control system and prevents the rotation of the rotary member, the locking device then being in its position; blocking configuration, and
    • A retracted position, in which the first end of the pin is outside the hole and allows rotation of the rotary member, the locking device then being in its release configuration,
    and a return member exerting on the pin a return force to its retracted position, and a bearing zone, carried by the locking plate and configured to push the pin to its deployed position, by pressing on a second end the peg opposite to the first end, when the locking plate is moved to its locked position.
  • The bearing zone is a plane inclined with respect to a main geometric plane of the locking plate.
  • The return member comprises a spring.
  • The rotary handle and the rotary member are secured by means of a shaft, while the rotary member comprises a cavity receiving an end of this shaft and a fastener of the shaft to the rotary member and that the plate locking device comprises a protective blade which protrudes from the locking plate, said protection blade being shaped to cover the fastener only when the locking plate is in its locked position.
  • The rotary member comprises a groove formed on one of its outer faces and opening onto a volume at least partly delimited by an inner wall of the rotary member, while the locking plate comprises a claw which has a retaining portion, the claw being inserted into the groove so that the retaining portion bears on a rear face of a body of the rotary member, the opening thickness of a main portion of the groove being less than the width of the retaining portion of the claw to prevent translational movement of the locking plate along the first axis relative to the rotary member.
  • The groove has a secondary portion having an opening thickness greater than the width of the retaining portion of the claw, this secondary portion defining a mounting position of the locking plate, distinct from the locking and unlocking positions and wherein the locking plate is movable in translation relative to the rotary member along the first axis.
  • The locking plate is shaped to prevent, once the claw is inserted into the groove, a displacement towards its mounting position.
  • The locking plate has a straight portion shaped to abut the pin when the pin is in its retracted position and when the lock plate is moved to its mounting position.

Selon un autre aspect, l'invention concerne une armoire électrique comportant un appareil électrique commandable logé à l'intérieur de l'armoire et un système de commande rotative raccordé à l'appareil électrique pour commander l'appareil électrique depuis l'extérieur de l'armoire, le système de commande étant tel que décrit précédemment.According to another aspect, the invention relates to an electrical cabinet comprising a controllable electrical appliance housed inside the cabinet and a rotary control system connected to the electrical appliance for controlling the electrical appliance. from outside the cabinet, the control system being as previously described.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaîtront plus clairement à la lumière de la description qui va suivre, d'un mode de réalisation d'un système de verrouillage donné uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une représentation schématique en perspective, selon une vue écorchée, d'une armoire électrique comportant un appareil électrique commandable et un système de commande rotative conforme à l'invention ;
  • les figures 2 et 3 sont des représentations schématiques, selon des vues rapprochées, d'une portion du système de commande rotative conforme à l'invention pour l'armoire électrique de la figure 1 ;
  • la figure 4 est une coupe schématique, dans la plan de coupe IV de la figure 2, d'une portion du système de commande rotative selon l'invention ;
  • la figure 5 est une représentation schématique, selon une vue arrière, d'une plaque de verrouillage du système de commande rotative selon l'invention ;
  • la figure 6 est une représentation schématique, selon une vue écorchée, d'une poignée additionnelle pour être utilisée dans le système de commande rotative de la figure 1.
The invention will be better understood and other advantages thereof will appear more clearly in the light of the description which follows, of an embodiment of a locking system given solely by way of example and made in reference to the accompanying drawings in which:
  • the figure 1 is a schematic representation in perspective, in a cutaway view, of an electrical cabinet comprising a controllable electrical apparatus and a rotary control system according to the invention;
  • the Figures 2 and 3 are schematic representations, in close-up views, of a portion of the rotary control system according to the invention for the electrical cabinet of the figure 1 ;
  • the figure 4 is a schematic section, in section plane IV of the figure 2 a portion of the rotary control system according to the invention;
  • the figure 5 is a schematic representation, in a rear view, of a locking plate of the rotary control system according to the invention;
  • the figure 6 is a diagrammatic representation, in a broken view, of an additional handle for use in the rotary control system of the figure 1 .

La figure 1 représente une armoire électrique 2. L'armoire 2 comporte une paroi de fond 4 qui s'étend essentiellement selon un plan géométrique P. L'armoire 2 comporte également des parois latérales 6, 8 et 10 supérieures et inférieures. Les parois 6, 8 et 10 s'étendent perpendiculairement au plan géométrique P. Les parois 4, 6, 8 et 10 définissent un logement L.The figure 1 represents an electrical cabinet 2. The cabinet 2 comprises a bottom wall 4 which extends substantially in a geometric plane P. The cabinet 2 also comprises side walls 6, 8 and 10 upper and lower. The walls 6, 8 and 10 extend perpendicular to the geometric plane P. The walls 4, 6, 8 and 10 define a housing L.

L'armoire 2 comporte également une porte 12 qui est déplaçable, de façon réversible, entre une position ouverte, dans laquelle le logement L est ouvert vers l'extérieur de l'armoire 2 et une position fermée, dans laquelle la porte 12 ferme le logement L. Par exemple, la porte 12 est montée pivotante le long d'un axe qui s'étend parallèlement au plan P de telle sorte que, dans sa position fermée, la porte 12 fait face à la paroi de fond 4. Par exemple la porte 12 est montée pivotante au moyen d'une charnière fixée sur un bord extérieur de l'une ou l'autre des parois latérales 6 ou 8. L'armoire 12 présente ici une forme de trapèze à base parallélépipédique. Les parois 4, 6, 8 et 10 ainsi que la porte 12 sont, par exemple, réalisées en métal.The cabinet 2 also comprises a door 12 which is reversibly movable between an open position, in which the housing L is open towards the outside of the cabinet 2 and a closed position, in which the door 12 closes the door. For example, the door 12 is pivotally mounted along an axis which extends parallel to the plane P so that, in its closed position, the door 12 faces the bottom wall 4. For example the door 12 is pivotally mounted by means of a hinge fixed on an outer edge of one or other of the side walls 6 or 8. The cabinet 12 here has a parallelepiped-shaped trapezoidal shape. The walls 4, 6, 8 and 10 and the door 12 are, for example, made of metal.

Dans cette description, sauf précision contraire, la « face arrière » d'un élément correspond à la face de cet élément qui est tournée vers la paroi de fond 4 et qui s'étend essentiellement au plan P. La « face avant » d'un élément est la face de cet élément qui est opposée à sa face avant et qui est tournée du côté de la porte 12 lorsque cette porte est fermée.In this description, unless otherwise stated, the "rear face" of an element corresponds to the face of this element which is turned towards the bottom wall 4 and which extends essentially the plane P. The "front face" of an element is the face of this element which is opposite to its front face and which is turned to the side of the door 12 when the door is closed.

L'armoire électrique 2 comporte en outre un appareil électrique 20 qui est disposé fixement à l'intérieur du logement L sur la paroi de fond 4. Par exemple, l'appareil électrique 20 est raccordé électriquement à des conducteurs électriques d'un circuit électrique à protéger et qui pénètrent à l'intérieur de l'armoire 2. Pour simplifier la figure 1, ces conducteurs électriques ne sont pas illustrés.The electrical cabinet 2 further comprises an electrical apparatus 20 which is fixedly disposed inside the housing L on the bottom wall 4. For example, the electrical apparatus 20 is electrically connected to electrical conductors of an electrical circuit to protect and penetrate inside the cabinet 2. To simplify the figure 1 these electrical conductors are not illustrated.

L'appareil électrique 20 est commutable, sélectivement et réversiblement, entre deux états électriques distincts, par exemple un état actif, dit « ON » et un état arrêté, dit « OFF ». Ici l'appareil électrique 20 est un disjoncteur.The electrical apparatus 20 is switchable, selectively and reversibly, between two distinct electrical states, for example an active state, called "ON" and a stopped state, called "OFF". Here the electrical apparatus 20 is a circuit breaker.

L'appareil 20 est commutable entre ses états électriques au moyen d'un interrupteur, incorporé au sein de l'appareil 20 et disposé sur une face avant 22 de l'appareil 20. L'interrupteur est ici un interrupteur rotatif que l'on tourne autour d'un axe fixe X1 pour commuter l'appareil électrique 20 entre ses états électriques. L'axe X1 s'étend perpendiculairement par rapport au plan géométrique P.The apparatus 20 is switchable between its electrical states by means of a switch incorporated in the apparatus 20 and disposed on a front face 22 of the apparatus 20. The switch is here a rotary switch which is rotates about a fixed axis X1 to switch the electrical apparatus 20 between its electrical states. The axis X1 extends perpendicular to the geometric plane P.

L'armoire électrique 2 comporte en outre un système 30 de commande rotative de l'appareil 20, pour commander la commutation de l'appareil électrique 20 entre ses états électriques depuis l'extérieur de l'armoire 2 lorsque la porte 12 est fermée. Le système de commande 30 est ici fixé sur la face avant 22 de l'appareil 20 et est couplé mécaniquement avec l'interrupteur de l'appareil électrique 20. A cet effet, le système de commande 30 comporte un organe rotatif de commande 32, une plaque de verrouillage 33 et un bâti fixe 34.The electrical cabinet 2 further comprises a rotary control system 30 of the apparatus 20 for controlling the switching of the electrical apparatus 20 between its electrical states from outside the cabinet 2 when the door 12 is closed. The control system 30 is here fixed on the front face 22 of the apparatus 20 and is mechanically coupled with the switch of the electrical apparatus 20. For this purpose, the control system 30 comprises a rotary control member 32, a locking plate 33 and a fixed frame 34.

Le bâti 34 est ici monté fixement et sans degré de liberté sur la face avant 22 de l'appareil 20.The frame 34 is here fixedly mounted and without degree of freedom on the front face 22 of the apparatus 20.

L'organe rotatif 32 est mobile en rotation, par rapport au bâti 34, autour de l'axe X1 entre des première et deuxième positions stables et distinctes. Ici, l'organe rotatif 32 est monté mobile en rotation autour de cet axe X1 sur le bâti 34. L'organe rotatif 32 est décrit plus en détail dans ce qui suit.The rotatable member 32 is rotatable, relative to the frame 34, about the axis X1 between first and second stable and distinct positions. Here, the rotary member 32 is rotatably mounted about this axis X1 on the frame 34. The rotary member 32 is described in more detail in the following.

Dans cet exemple, l'organe rotatif 32 est ici couplé mécaniquement en rotation avec cet interrupteur rotatif autour de l'axe X1. Selon une variante, l'interrupteur est un levier, ou basculeur, déplaçable translation en exerçant un effort le long d'une direction qui s'étend parallèlement au plan P. Dans ce cas, le bâti 34 renferme avantageusement un système de transmission du mouvement qui convertit la rotation de l'organe rotatif 32 autour de l'axe X1 en un effort translation selon la direction verticale pour commuter l'interrupteur.In this example, the rotary member 32 is here mechanically coupled in rotation with this rotary switch about the axis X1. According to a variant, the switch is a lever, or rocker, displaceable by exerting a force along a direction that extends parallel to the plane P. In this case, the frame 34 advantageously encloses a motion transmission system. which converts the rotation of the rotatable member 32 around the axis X1 in a translational force in the vertical direction to switch the switch.

Le système de commande 30 comporte en outre une poignée rotative de commande 36 qui est destinée à être solidarisée en rotation avec l'organe rotatif 32 autour de l'axe X1. La poignée 36 est montée sur la porte 12, ici en face de l'organe 32.The control system 30 further comprises a rotary control handle 36 which is intended to be secured in rotation with the rotary member 32 about the axis X1. The handle 36 is mounted on the door 12, here in front of the member 32.

La poignée 36 comporte une partie mobile 38 déplaçable en rotation entre deux positions distinctes autour d'un axe X2, qui s'étend perpendiculairement à la porte 12, et un socle fixe 40 qui est monté fixement sur la porte 12. La poignée 36 est reliée à un raccord 42 solidaire en rotation autour de l'axe X2 avec la partie mobile 38.The handle 36 comprises a movable portion 38 movable in rotation between two distinct positions around an axis X 2, which extends perpendicular to the door 12, and a fixed base 40 which is fixedly mounted on the door 12. The handle 36 is connected to a coupling 42 secured in rotation about the axis X2 with the mobile part 38.

Dans cette description, le déplacement en rotation de la poignée 36 fait référence au déplacement en rotation de la partie mobile 38.In this description, the rotational displacement of the handle 36 refers to the rotational displacement of the movable portion 38.

Lorsque la poignée 36 est montée sur l'armoire 2, l'axe X2 est parallèle avec l'axe X1. Dans cet exemple, les axes X1 et X2 sont alors confondus. En variante, les axes X1 et X2 ne sont pas confondus mais décalés l'un par rapport à l'autre, par exemple parce que la poignée 36 n'est pas en face de l'organe 32. Dans ce cas, un mécanisme approprié est utilisé pour transmettre le mouvement de la poignée 36 vers l'organe 32.When the handle 36 is mounted on the cabinet 2, the axis X2 is parallel with the axis X1. In this example, the axes X1 and X2 are then merged. In a variant, the axes X1 and X2 are not coincidental but offset with respect to each other, for example because the handle 36 is not in front of the member 32. In this case, an appropriate mechanism is used to transmit the movement of the handle 36 towards the member 32.

Le système de commande 30 comporte, en outre, un arbre 44 à section polygonale monté solidaire en rotation avec l'organe rotatif 32. L'arbre 44 s'étend essentiellement le long de l'axe X1. L'arbre 44 permet de solidariser en rotation la poignée 36 avec l'organe rotatif 32 lorsque la porte 12 est fermée. A cet effet, l'arbre 44 porte le raccord 42 sur une de ses extrémités. Le raccord 42 est monté fixement sur l'arbre 44 et est sélectivement déconnectable de la partie mobile 38 de la poignée 36.The control system 30 further comprises a shaft 44 with a polygonal section mounted to rotate with the rotary member 32. The shaft 44 extends substantially along the axis X1. The shaft 44 makes it possible to rotate the handle 36 with the rotary member 32 when the door 12 is closed. For this purpose, the shaft 44 carries the connector 42 on one of its ends. The coupling 42 is fixedly mounted on the shaft 44 and is selectively disconnectable from the movable portion 38 of the handle 36.

Plus précisément, lorsque la porte 12 est fermée, le raccord 42 solidarise en rotation, autour de l'axe X1, la partie mobile 38 de la poignée 36 avec l'arbre 44 et donc avec l'organe 32.More specifically, when the door 12 is closed, the connector 42 rotates, around the axis X1, the movable portion 38 of the handle 36 with the shaft 44 and thus with the member 32.

Lorsque la porte 12 est dans sa position ouverte, l'axe X2 n'est plus aligné avec l'axe X1. La poignée 36 est dans une position éloignée, de même que le raccord 32. La partie mobile 38 de la poignée 36 est déconnectée du raccord 42. La poignée 36 est donc découplée mécaniquement de l'organe rotatif 32.When the door 12 is in its open position, the axis X2 is no longer aligned with the axis X1. The handle 36 is in a remote position, as is the connector 32. The movable portion 38 of the handle 36 is disconnected from the connector 42. The handle 36 is thus mechanically decoupled from the rotary member 32.

En variante, le raccord 42 est porté par la poignée 36, et reste solidaire avec la partie mobile 38. Lorsque la porte 12 est ouverte, l'arbre 44 se désolidarise du raccord 42.Alternatively, the connector 42 is carried by the handle 36, and remains integral with the movable portion 38. When the door 12 is open, the shaft 44 disengages the connector 42.

L'arbre 44 est ici monté fixement solidaire en rotation avec l'organe rotatif 32. Par exemple, l'organe rotatif 32 comporte une cavité 46, à section polygonale complémentaire de celle de l'arbre 44 et ménagée sur une portion centrale de cet organe rotatif 32 et dans lequel une extrémité de l'arbre 44 est reçue. L'organe rotatif 32 comporte une pièce de fixation 48, telle qu'une vis pointeau, pour maintenir fixement l'arbre 44 à l'intérieur de la cavité 46 et empêcher ainsi tout déplacement en translation le long de l'axe X1 tendant à éloigner l'arbre 44 de la cavité 46.The shaft 44 is here mounted fixedly integral in rotation with the rotary member 32. For example, the rotary member 32 comprises a cavity 46, polygonal section complementary to that of the shaft 44 and provided on a central portion of this rotating member 32 and wherein an end of the shaft 44 is received. The rotary member 32 comprises a piece of fastener 48, such as a set screw, for fixedly holding the shaft 44 inside the cavity 46 and thus prevent any displacement in translation along the axis X1 tending to move the shaft 44 away from the cavity 46 .

Ainsi, lorsque la porte 12 est ouverte, l'arbre 44 reste solidaire de l'organe rotatif 32.Thus, when the door 12 is open, the shaft 44 remains integral with the rotary member 32.

De cette manière, lorsque la porte 12 est fermée, la rotation de la poignée 36 entraîne en rotation l'organe 32. Ici, la commutation de l'organe 32 entre les deux positions se fait en tournant la poignée 36 d'un angle de 90° autour de l'axe de rotation X1.In this way, when the door 12 is closed, the rotation of the handle 36 rotates the member 32. Here, the switching of the member 32 between the two positions is done by turning the handle 36 by an angle of 90 ° around the axis of rotation X1.

Le système de commande 30 comporte, en outre, un dispositif de blocage 50, illustré aux figures 2 et 3. Dans cet exemple, on souhaite pouvoir verrouiller l'organe rotatif 32 dans sa première position, c'est-à-dire celle correspondant à l'état arrêté de l'appareil 20. A cet effet, lorsque l'organe rotatif 32 est dans sa première position, le dispositif 50 est déplaçable sélectivement entre une configuration de blocage et une configuration de libération.The control system 30 further comprises a blocking device 50, illustrated in FIGS. Figures 2 and 3 . In this example, it is desired to be able to lock the rotary member 32 in its first position, that is to say that corresponding to the stopped state of the apparatus 20. For this purpose, when the rotary member 32 is in in its first position, the device 50 is selectively movable between a lock pattern and a release pattern.

Dans la configuration de blocage, le dispositif 50 empêche le déplacement de l'organe rotatif 32 vers sa deuxième position. Dans la configuration de libération, le dispositif 50 autorise le déplacement de l'organe rotatif 32 vers sa deuxième position.In the blocking configuration, the device 50 prevents the rotational member 32 from moving to its second position. In the release configuration, the device 50 allows the displacement of the rotatable member 32 to its second position.

L'organe rotatif 32 présente un corps 52 dont la projection géométrique orthogonale dans le plan géométrique P présente essentiellement une forme de disque. L'organe rotatif 32 comporte un anneau 54 qui définit une ouverture traversante 56, ou orifice. Ici, cet anneau s'étend parallèlement au plan P.The rotary member 32 has a body 52 whose orthogonal geometric projection in the geometrical plane P has essentially a disc shape. The rotatable member 32 has a ring 54 which defines a through opening 56, or orifice. Here, this ring extends parallel to the plane P.

Avantageusement, l'organe 32 comporte un repère 58 ménagé sur un bord du corps 52 et qui permet d'indiquer visuellement la position dans laquelle se trouve l'organe rotatif 32. Par exemple, le repère 58 présente une forme de flèche. Le bâti 34 est alors revêtu d'indicateurs visuels qui sont positionnés de telle sorte que le repère 58 pointe vers l'un ou l'autre de ces indicateurs, lorsque l'organe rotatif 32 est dans l'une ou l'autre de ses positions.Advantageously, the member 32 comprises a mark 58 formed on an edge of the body 52 and which makes it possible to indicate visually the position in which the rotary member 32 is located. For example, the mark 58 has an arrow shape. The frame 34 is then covered with visual indicators which are positioned in such a way that the mark 58 points towards one or the other of these indicators, when the rotary member 32 is in one or other of its positions.

Par exemple, l'anneau 54 est ménagé sur un bord périphérique du corps 52, par perçage du corps 52.For example, the ring 54 is formed on a peripheral edge of the body 52, by piercing the body 52.

Le dispositif de blocage 50 comporte ici un pion 60, mobile et porté par l'organe 32, illustré à la figure 4. Ce pion 60 est partiellement reçu dans un logement 62 ménagé sur le corps 52.The locking device 50 here comprises a pin 60, movable and carried by the member 32, illustrated in FIG. figure 4 . This pin 60 is partially received in a housing 62 formed on the body 52.

Le pion 60 est mobile en translation entre des positions déployée et escamotée par rapport à l'organe 32 le long d'un axe X3 perpendiculaire au plan P et solidaire de l'organe 32.The pin 60 is movable in translation between deployed and retracted positions relative to the member 32 along an axis X3 perpendicular to the plane P and integral with the member 32.

Dans la position déployée, une extrémité distale 64 du pion 60 est reçue à l'intérieur d'un trou borgne 66 ménagé sur le bâti 34. Par exemple, le pion 60 pénètre à l'intérieur de ce trou sur une longueur d'au moins 5 mm, voire 8 mm. Ainsi, le pion 60 empêche la rotation de l'organe rotatif 32 autour de l'axe X1 par rapport au bâti 34. Le dispositif de blocage 50 est alors dit être dans sa configuration de blocage.In the deployed position, a distal end 64 of the pin 60 is received inside a blind hole 66 formed on the frame 34. For example, the pin 60 penetrates inside this hole for a length of minus 5 mm or even 8 mm. Thus, the pin 60 prevents the rotation of the rotary member 32 about the axis X1 relative to the frame 34. The locking device 50 is then said to be in its blocking configuration.

Dans sa position escamotée, l'extrémité distale 64 du pion 60 se situe en dehors du trou 66, par exemple en étant rétractée à l'intérieur du logement 62. Du fait de l'absence du pion 60 dans le trou 66, l'organe rotatif 32 est libre de se mouvoir en rotation autour de l'axe X1 par rapport au bâti 34. Le dispositif de blocage 50 est alors dit être dans sa configuration de libération.In its retracted position, the distal end 64 of the pin 60 is outside the hole 66, for example by being retracted inside the housing 62. Due to the absence of the pin 60 in the hole 66, the rotary member 32 is free to move in rotation about the axis X1 relative to the frame 34. The locking device 50 is then said to be in its release configuration.

Le dispositif 50 comporte en outre un organe de rappel 68 élastique exerçant sur le pion 60 un effort de rappel vers sa position escamotée. Ici, l'organe de rappel 68 est logé à l'intérieur du logement 62 en étant fixé d'une part à une paroi interne du logement 62 et d'autre part au pion 60. Par exemple, l'organe de rappel 68 est un ressort hélicoïdal.The device 50 further comprises a resilient return member 68 exerting on the pin 60 a return force towards its retracted position. Here, the return member 68 is housed inside the housing 62 being fixed on the one hand to an inner wall of the housing 62 and on the other hand to the pin 60. For example, the return member 68 is a helical spring.

Le pion 60 comporte ici un corps de forme essentiellement cylindrique à base circulaire et qui s'étend le long de l'axe X3. Le point 60 présente, sur une extrémité 70 opposé à l'extrémité distale 64, une tête 72 formé d'une portion tronconique 74 et d'une portion terminale 76. La portion 74 est placée entre le corps du pion 60 et la portion 76 et présente ici une forme de cône tronqué d'axe X3. Les parois extérieures de cette portion 74 présentent un angle par rapport à l'axe X3 qui est par exemple à 45°. Le pion 60 est ici réalisé en métal. La portion terminale 76 présente ici une forme arrondie, par exemple une demi-sphère. Le logement 62 présente ici une forme cylindrique d'axe X3 avec un diamètre interne supérieur au diamètre du corps cylindrique du pion 60.The pin 60 here comprises a body of substantially cylindrical shape with a circular base and which extends along the axis X3. The point 60 has, on an end 70 opposite to the distal end 64, a head 72 formed of a frustoconical portion 74 and an end portion 76. The portion 74 is placed between the body of the peg 60 and the portion 76 and here has a truncated cone shape of axis X3. The outer walls of this portion 74 have an angle with respect to the axis X3 which is for example 45 °. The pin 60 is here made of metal. The end portion 76 here has a rounded shape, for example a half-sphere. The housing 62 here has a cylindrical shape of axis X3 with an internal diameter greater than the diameter of the cylindrical body of the pin 60.

Dans cet exemple, l'organe rotatif 32 est réalisé en métal, par exemple dans un alliage de cuivre, de zinc et d'aluminium, ce qui lui confère une dureté et une rigidité satisfaisantes.In this example, the rotating member 32 is made of metal, for example in a copper alloy, zinc and aluminum, which gives it a satisfactory hardness and rigidity.

La plaque de verrouillage 33 est mobile en rotation autour de l'axe X1 par rapport à l'organe rotatif 32. Plus précisément, lorsque l'organe rotatif 32 est dans sa première position, la plaque 33 est déplaçable entre des positions de verrouillage et de déverrouillage par rotation autour de l'axe X1.The locking plate 33 is rotatable about the axis X1 relative to the rotatable member 32. More specifically, when the rotatable member 32 is in its first position, the plate 33 is movable between locking positions and unlocking by rotation around the axis X1.

La plaque 33 est configurée pour commuter le dispositif de blocage 50 vers sa position de blocage lorsqu'elle est déplacée de sa position déverrouillée vers sa position verrouillée. De manière analogue, la plaque 33 commute le dispositif de blocage 50 de sa configuration de blocage vers sa configuration de libération, lorsqu'elle est déplacée de sa position verrouillée vers sa position déverrouillée.The plate 33 is configured to switch the blocking device 50 to its blocking position when it is moved from its unlocked position to its position locked. Similarly, plate 33 switches blocking device 50 from its blocking configuration to its release configuration as it is moved from its locked position to its unlocked position.

La plaque 33 présente ici une forme essentiellement plane et s'étend parallèlement au plan P, lorsqu'elle est montée au sein du système 30. La plaque 33 comporte un alésage central au centre duquel passe l'axe X1. Ainsi, la plaque 33 est disposée de façon coaxiale avec l'organe rotatif 32. Dans cet exemple, l'alésage central est traversé par la portion de l'organe rotatif 32 qui porte la cavité 46. La face arrière de la plaque 33 est tournée vers la face avant de l'organe 32.The plate 33 here has a substantially planar shape and extends parallel to the plane P, when it is mounted within the system 30. The plate 33 has a central bore in the center of which passes the axis X1. Thus, the plate 33 is arranged coaxially with the rotary member 32. In this example, the central bore is traversed by the portion of the rotary member 32 which carries the cavity 46. The rear face of the plate 33 is turned towards the front face of the organ 32.

La plaque 33 comporte en outre un anneau 82 qui définit un orifice traversant 84, par exemple ménagé par perçage au voisinage d'un bord extérieur de la plaque 33. Cet orifice 84 débouche sur les faces avant et arrière de la plaque 33. L'anneau 82 s'étend dans le même plan géométrique que l'anneau 54, ici parallèlement au plan P.The plate 33 further comprises a ring 82 which defines a through hole 84, for example formed by drilling in the vicinity of an outer edge of the plate 33. This orifice 84 opens on the front and rear faces of the plate 33. The ring 82 extends in the same geometric plane as the ring 54, here parallel to the plane P.

Lorsque l'organe rotatif 32 est dans sa première position et que la plaque 33 est dans sa position de verrouillage, comme illustré à la figure 3, les orifices 56 et 84 sont superposés l'un avec l'autre et forment une ouverture 86 qui est apte à recevoir, par insertion au travers de cette ouverture 86, un outil de verrouillage apte à solidariser en rotation l'organe rotatif 32 avec la plaque de verrouillage 33 autour de l'axe X1. Par exemple, cet outil de verrouillage est un cadenas. A la figure 3, un outil de verrouillage est schématisé par le trait 88, qui représente l'anse d'un cadenas insérée au travers de l'ouverture 86.When the rotary member 32 is in its first position and the plate 33 is in its locking position, as shown in FIG. figure 3 , the orifices 56 and 84 are superimposed on one another and form an opening 86 which is adapted to receive, by insertion through this opening 86, a locking tool capable of securing in rotation the rotary member 32 with the locking plate 33 about the axis X1. For example, this lock tool is a lock. To the figure 3 , a locking tool is shown schematically by the line 88, which represents the handle of a padlock inserted through the opening 86.

Les orifices 56 et 84 sont dits superposés lorsque les orifices 56 et 84 présentent au moins 30%, de préférence au moins 50%, de leur superficie en commun. De préférence, l'ouverture 86, lorsqu'elle est formée, présente une superficie supérieure ou égale à 0,5 cm2 De façon avantageuse, l'ouverture 86 présente une forme de disque de diamètre supérieur ou égal à 0,5 cm, de préférence à un 1 cm, de préférence encore à 2 cm. Ainsi, les outils de verrouillage connus, tel que des pinces ou des cadenas couramment utilisés par des opérateurs de maintenance électrique, peuvent être insérés au travers de l'ouverture 86.The orifices 56 and 84 are said to be superposed when the orifices 56 and 84 have at least 30%, preferably at least 50%, of their area in common. Preferably, the opening 86, when formed, has an area greater than or equal to 0.5 cm 2 Advantageously, the opening 86 has a disc shape with a diameter greater than or equal to 0.5 cm, preferably at 1 cm, more preferably at 2 cm. Thus, the known locking tools, such as clamps or padlocks commonly used by electrical maintenance operators, can be inserted through the opening 86.

Dans la position de déverrouillage, les orifices 84 et 56 sont en décalage angulaire l'un par rapport à l'autre autour de l'axe X1 et ne forment pas l'ouverture 86, comme illustré à la figure 2. Par exemple, moins de 20% ou de 15% ou de 10% de la superficie de l'orifice 84 est superposée avec la superficie de l'orifice 56. Dans l'exemple, les superficies des orifices 56 et 84 ne sont pas superposées du tout.In the unlocking position, the orifices 84 and 56 are angularly offset relative to one another about the axis X1 and do not form the opening 86, as illustrated in FIG. figure 2 . For example, less than 20% or 15% or 10% of the area of the orifice 84 is superimposed with the area of the orifice 56. In the example, the areas of the orifices 56 and 84 are not superimposed. at all.

La plaque 33 comporte une zone d'appui 100 qui est conformé pour déplacer le pion 60 vers sa position déployée, par appui sur l'extrémité proximale 70 du pion 60, lorsque la plaque 33 est déplacée depuis sa position déverrouillée vers sa position verrouillée.The plate 33 has a bearing zone 100 which is shaped to move the pin 60 to its extended position, by pressing on the proximal end 70 of the pin 60, when the plate 33 is moved from its unlocked position to its locked position.

Dans cet exemple et comme visible à la figure 4, la zone d'appui 100 comporte une partie inclinée 102, ou plan incliné, et des parties droites 104 et 106. La zone d'appui est ici ménagée en regard du pion 60, sur une périphérie extérieure de la plaque 33. La partie 102 est en saillie par rapport à un plan géométrique P2 dans lequel s'étend essentiellement la plaque 33, ce plan P2 formant un plan principal de la plaque 33. La partie inclinée 102 de la plaque 33 s'étend le long d'un plan géométrique P3 qui forme avec le plan géométrique P2 un angle α. L'angle α est par exemple compris entre 30° et 60° et, de préférence, entre 40° et 50°. Dans cet exemple, l'angle α est égal à 45°. L'angle α est préférentiellement choisi en fonction de l'angle d'inclinaison des parois de la portion tronconique 74 du pion 60. Lorsque la plaque de verrouillage 33 est en configuration montée au sein du système de commande 30, le plan P2 est parallèle au plan P.In this example and as visible at figure 4 , the bearing zone 100 comprises an inclined portion 102, or inclined plane, and straight portions 104 and 106. The bearing zone is here arranged opposite the pin 60, on an outer periphery of the plate 33. The part 102 is projecting with respect to a geometric plane P2 in which the plate 33 essentially extends, this plane P2 forming a main plane of the plate 33. The inclined portion 102 of the plate 33 extends along a plane geometric P3 which forms with the geometric plane P2 an angle α. The angle α is for example between 30 ° and 60 ° and preferably between 40 ° and 50 °. In this example, the angle α is equal to 45 °. The angle α is preferably chosen as a function of the angle of inclination of the walls of the frustoconical portion 74 of the pin 60. When the locking plate 33 is in configuration mounted within the control system 30, the plane P2 is parallel on the plane P.

Dans cet exemple, la projection orthogonale de la partie 102 dans le plan P2 s'étend essentiellement suivant un arc de cercle, ici suivant la périphérie de la plaque 33. La partie 102 s'étend ici entre des première et deuxième positions angulaires, en s'éloignant du plan P2 depuis la première position angulaire vers la deuxième position angulaire. Ces positions angulaires sont ici définies par rapport au centre géométrique de la plaque 33. L'angle entre ces première et deuxième positions angulaires, mesuré dans le plan P2, dépend de la course du pion 60 et de l'angle α.In this example, the orthogonal projection of the portion 102 in the plane P2 extends substantially in a circular arc, here following the periphery of the plate 33. The portion 102 extends here between first and second angular positions, away from the plane P2 from the first angular position to the second angular position. These angular positions are here defined with respect to the geometric center of the plate 33. The angle between these first and second angular positions, measured in the plane P2, depends on the stroke of the pin 60 and the angle α.

Les parties 102, 104 et 106 sont en contact l'une avec l'autre et sont par exemple formées d'un seul tenant et avec la plaque 33. Par exemple, les parties 102,104 et 106 sont formées par emboutissage localisé de la plaque 33. En variante, la pièce 33 est formée par moulage. La partie 104 s'étend essentiellement parallèlement au plan P2 et raccorde la partie 102 avec la partie 106.The parts 102, 104 and 106 are in contact with each other and are for example formed integrally and with the plate 33. For example, the parts 102, 104 and 106 are formed by localized stamping of the plate 33 Alternatively, the piece 33 is formed by molding. The portion 104 extends substantially parallel to the plane P2 and connects the portion 102 with the portion 106.

La partie 106 est en saillie par rapport au plan P2, avec un angle par rapport à ce plan P2 strictement supérieur à 45°, de préférence supérieur ou égal à 55° ou à 75°, voire, en variante, perpendiculaire au plan P2.The portion 106 is projecting with respect to the plane P2, with an angle with respect to this plane P2 strictly greater than 45 °, preferably greater than or equal to 55 ° or 75 °, or, alternatively, perpendicular to the plane P2.

Les parties 102, 104 et 106 définissent un logement qui reçoit l'extrémité 70 du pion 60 lorsqu'il est dans sa position escamotée. L'angle α est mesuré du côté de la partie 102 tourné vers l'intérieur du logement. La portion 76 du pion 60 vient alors en butée contre la partie 104 lorsque la plaque 33 est dans sa position déverrouillée, du fait de l'effort E68 de rappel exercé par l'organe de rappel 68. Grâce à la forme hémisphérique de la portion terminale 76, la surface de contact entre l'extrémité proximale 70 du pion 60 et la partie 104 de la plaque 33 est réduite, ce qui limite les forces de frottement entre la plaque 33 et le pion 60 lorsque l'on déplace la plaque 33 par rapport à l'organe rotatif 32.The portions 102, 104 and 106 define a housing which receives the end 70 of the pin 60 when in its retracted position. The angle α is measured on the side of the portion 102 facing the interior of the housing. The portion 76 of the pin 60 then abuts against the portion 104 when the plate 33 is in its unlocked position, because of the return force E68 exerted by the return member 68. Thanks to the hemispherical shape of the end portion 76, the contact surface between the proximal end 70 of the pin 60 and the portion 104 of the plate 33 is reduced, which limits the frictional forces between the plate 33 and the pin 60 when moving the plate 33 with respect to the rotary member 32.

La partie 102 déplace le pion 60 de sa position escamotée vers sa position déployée lorsque la plaque 33 est déplacée de sa position déverrouillée vers sa position verrouillée en tournant la plaque 33 par rapport à l'organe 32 dans le sens représenté par la flèche F1 à la figure 4. La partie 102 forme une came contre laquelle glisse la portion terminale 76. Au fur et à mesure que la plaque 33 se déplace par rapport à l'organe rotatif 32, la partie 102 exerce un effort de poussée E102 sur le pion 60 dirigé selon l'axe X3. Cet effort E102 s'oppose et surpasse l'effort E68 exercé par l'organe de rappel 68 sur le pion 60.The portion 102 moves the pin 60 from its retracted position to its deployed position when the plate 33 is moved from its unlocked position to its locked position by turning the plate 33 relative to the member 32 in the direction represented by the arrow F1 to the figure 4 . The portion 102 forms a cam against which the end portion 76 slides. As the plate 33 moves relative to the rotatable member 32, the portion 102 exerts a thrust force E102 on the pin 60 directed according to FIG. X3 axis. This effort E102 opposes and surpasses the force E68 exerted by the return member 68 on the pin 60.

Lorsque l'organe rotatif 32 est dans sa première position, le pion 60 se trouve en face du trou 66 et coulisse donc par rapport au logement 62 le long de l'axe X3, de sorte que l'extrémité 64 pénètre graduellement à l'intérieur du trou 66 jusqu'à ce que le pion 60 se trouve dans sa première position déployée. Alors, la plaque 33 recouvre la tête 72 du pion et empêche tout déplacement ultérieur du pion 60 par rapport au logement 62.When the rotatable member 32 is in its first position, the pin 60 is in front of the hole 66 and thus slides relative to the housing 62 along the axis X3, so that the end 64 enters gradually to the inside the hole 66 until the pin 60 is in its first deployed position. Then, the plate 33 covers the head 72 of the pin and prevents any subsequent movement of the pin 60 relative to the housing 62.

Au contraire, si l'organe rotatif 32 n'est pas dans sa première position, alors le pion 60 ne peut pas se déplacer vers sa position déployée. Si la plaque 33 est mise en rotation par rapport à l'organe rotatif 32 pour exercer l'effort E102 comme décrit ci-dessus, le pion 60 se déplace mais son extrémité distale 64 vient en butée contre le bâti 34. Il n'est alors pas possible de poursuivre le déplacement de la plaque 33 vers sa position verrouillée. Ainsi, tant que l'organe rotatif 32 n'est pas sa première position, la plaque 33 ne peut pas être déplacée vers sa position de verrouillage, bien qu'elle puisse toutefois ici se déplacer légèrement par rapport à l'organe rotatif 32 du fait de la longueur de la partie 104.On the contrary, if the rotational member 32 is not in its first position, then the pin 60 can not move to its deployed position. If the plate 33 is rotated relative to the rotatable member 32 to exert the force E102 as described above, the pin 60 moves but its distal end 64 abuts against the frame 34. then not possible to continue moving the plate 33 to its locked position. Thus, as long as the rotary member 32 is not its first position, the plate 33 can not be moved to its locking position, although here it can however move slightly with respect to the rotary member 32 of the makes the length of part 104.

La partie 106 empêche, quant à elle, un déplacement de la plaque 33 dans un sens opposé comme expliqué dans ce qui suit.The portion 106 prevents, for its part, a displacement of the plate 33 in an opposite direction as explained in the following.

La longueur de la partie 102 est avantageusement choisie de telle sorte que le mouvement de rotation de la plaque 33 entre ses positions déverrouillée et verrouillée suffit à déplacer complétement le pion 60 de sa position escamotée vers sa position déployée.The length of the portion 102 is advantageously chosen so that the rotational movement of the plate 33 between its unlocked and locked positions is sufficient to completely move the pin 60 from its retracted position to its deployed position.

Ainsi, lorsque l'ouverture 86 est formée, le pion 60 est complétement dans sa position escamotée. L'outil de verrouillage 88 est inséré dans l'ouverture 86, la plaque 33 est solidaire en rotation de l'organe 32 autour de l'axe X1 et le pion ne peut pas être déplacé de la position escamotée, dans laquelle il se trouve, immobilisant l'organe rotatif 32 dans sa première position.Thus, when the opening 86 is formed, the pin 60 is completely in its retracted position. The locking tool 88 is inserted into the opening 86, the plate 33 is integral in rotation with the member 32 about the axis X1 and the pin can not be moved from the retracted position, in which it is located immobilizing the rotary member 32 in its first position.

Avantageusement, la plaque 33 comporte une lame de protection 120 qui s'étend en saillie par rapport à la face extérieure de la plaque 33. La lame 120 est conformée pour recouvrir extérieurement la pièce 48 uniquement lorsque la plaque 33 est dans sa position verrouillée, comme illustré à la figure 3. Par exemple, la lame 120 s'étend en saillie le long d'un axe parallèle à l'axe X1. La lame 120 bloque l'accès à la pièce 48 empêchant ainsi tout démontage de l'arbre 44. Un tel démontage n'est pas souhaitable car il permettrait à un utilisateur de désolidariser les éléments constitutifs du système 30 et donc de contourner le verrouillage fourni par l'organe 88.Advantageously, the plate 33 comprises a protective blade 120 which protrudes from the outer face of the plate 33. The blade 120 is shaped to cover the outside of the part 48 only when the plate 33 is in its locked position, as shown in the figure 3 . For example, the blade 120 extends projecting along an axis parallel to the axis X1. The blade 120 blocks access to the part 48 thus preventing disassembly of the shaft 44. Such disassembly is undesirable because it would allow a user to separate the constituent elements of the system 30 and thus bypass the lock provided. by the body 88.

Lorsque la plaque 33 est dans position déverrouillée, la lame 120 est écartée de la pièce de fixation 48 et autorise l'accès à cette pièce, comme illustré à la figure 2.When the plate 33 is in the unlocked position, the blade 120 is spaced from the fastener 48 and allows access to this part, as illustrated in FIG. figure 2 .

La lame 120 est ainsi positionnée à un emplacement prédéfinie de telle sorte à ne recouvrir la pièce de fixation 48 que lorsque cette plaque 33 est dans sa position de verrouillage. Par exemple, le décalage angulaire, mesuré parallèlement au plan P et autour de l'axe X1, entre la lame de protection 120 et le centre géométrique de l'orifice 84 est le même que le décalage angulaire, mesuré de la même façon, entre la pièce de fixation 48 et le centre géométrique de l'orifice 56.The blade 120 is thus positioned at a predefined location so as to cover the fastener 48 only when the plate 33 is in its locking position. For example, the angular offset, measured parallel to the plane P and around the axis X1, between the protection blade 120 and the geometric center of the orifice 84 is the same as the angular offset, measured in the same way, between the fastener 48 and the geometric center of the orifice 56.

Avantageusement, l'organe rotatif 32 comporte une rainure 130 ménagée sur une de ses faces extérieures et débouchant sur un volume au moins en partie délimité par une paroi intérieure de l'organe rotatif 32, comme illustré à la figure 5. Ici, la rainure 130 est une fente qui traverse le corps 52 et qui débouche de part et d'autre de ce corps 52 sur des faces opposées de ce corps 52. La rainure 130 comporte une partie principale 132 et une partie secondaire 134. La rainure 130 s'étend ici parallèlement au plan géométrique P.Advantageously, the rotary member 32 comprises a groove 130 formed on one of its outer faces and opening onto a volume at least partly defined by an inner wall of the rotary member 32, as illustrated in FIG. figure 5 . Here, the groove 130 is a slot which passes through the body 52 and which opens on either side of the body 52 on opposite sides of the body 52. The groove 130 comprises a main portion 132 and a secondary portion 134. The groove 130 extends here parallel to the geometric plane P.

La partie principale 132 présente une première épaisseur d'ouverture E1, mesurée selon un axe radial du corps 52 parallèlement au plan P entre des bords opposés de cette partie principale de la rainure 130. La partie secondaire présente une deuxième épaisseur radiale E2, mesurée de façon analogue, parallèlement au plan P entre des bords opposés de cette partie secondaire 134. L'épaisseur E2 est supérieure à l'épaisseur E1.The main portion 132 has a first opening thickness E1, measured along a radial axis of the body 52 parallel to the plane P between opposite edges of this main portion of the groove 130. The secondary portion has a second radial thickness E2 measured from similarly, parallel to the plane P between opposite edges of this secondary portion 134. The thickness E2 is greater than the thickness E1.

La plaque 33 comporte, quant à elle, une griffe 136 faisant saillie par rapport à la face arrière de la plaque 33. La griffe 136 est montée coulissante à l'intérieur de la rainure 130 lorsque la plaque 33 est dans un état assemblé avec le système de commande 30. Plus précisément, la griffe 136 est insérée à l'intérieur de la rainure 130 de sorte qu'une portion de retenue 138 de la griffe 136 prend appui sur la face arrière du corps 52. La portion 138 présente une largeur E3 qui est supérieure à l'épaisseur d'ouverture E1 de la partie principale 132 de la rainure 130. Ainsi, la portion 138 empêche tout déplacement en translation de la plaque 33 par rapport à l'organe rotatif 32 selon l'axe X1. Lorsque la plaque 33 se déplace entre les positions verrouillées et déverrouillées, la griffe 136 se déplace uniquement le long de la partie principale 132 de la rainure 130.The plate 33 comprises, in turn, a claw 136 protruding from the rear face of the plate 33. The claw 136 is slidably mounted inside the groove 130 when the plate 33 is in a assembled state with the control system 30. More specifically, the claw 136 is inserted inside the groove 130 so that a retaining portion 138 of the claw 136 is supported on the rear face of the body 52. The portion 138 has a width E3 which is greater than the opening thickness E1 of the main portion 132 of the groove 130. Thus, the portion 138 prevents any displacement in translation of the plate 33 relative to the rotary member 32 along the axis X1. When the plate 33 moves between the locked and unlocked positions, the claw 136 moves only along the main portion 132 of the groove 130.

Dans cet exemple, la plaque 33 comporte trois griffes 136 et l'organe 32 comporte trois rainures 130 identiques entre elles et recevant chacune une griffe 136 correspondante. Les griffes 136 et les rainures 130 sont de préférence régulièrement réparties autour de l'axe X1, à 120° dans l'exemple.In this example, the plate 33 has three claws 136 and the member 32 has three grooves 130 identical to each other and each receiving a corresponding claw 136. The claws 136 and the grooves 130 are preferably evenly distributed around the axis X1, at 120 ° in the example.

La partie secondaire 134 définit une position de montage de la plaque 32 distincte des positions de verrouillage et de déverrouillage. Dans cette position de montage, la plaque 33 est déplaçable en translation par rapport à l'organe rotatif 32 selon l'axe X1 pour insérer la ou chaque griffe 136 dans la rainure 130 correspondante.The abutment 134 defines a mounting position of the plate 32 separate from the locking and unlocking positions. In this mounting position, the plate 33 is displaceable in translation relative to the rotary member 32 along the axis X1 to insert the or each claw 136 in the corresponding groove 130.

Avantageusement, la partie 106 de la zone 100 empêche la plaque 33 de revenir dans sa position de montage une fois que la griffe 136 est insérée dans la rainure 130. Du fait que cette partie 106 s'étend en saillie par rapport au plan P2 comme décrit précédemment, et donc parallèlement à l'axe X3, elle ne permet pas de déplacer en translation le pion 60 de sa position escamotée vers sa position déployée en tournant la plaque 33, à la manière de ce qui est réalisé avec la partie inclinée 102.Advantageously, the portion 106 of the zone 100 prevents the plate 33 from returning to its mounting position once the claw 136 is inserted into the groove 130. Because this portion 106 protrudes with respect to the plane P2 as described above, and therefore parallel to the axis X3, it does not allow to move in translation the pin 60 from its retracted position to its deployed position by turning the plate 33, in the manner of what is achieved with the inclined portion 102 .

Un exemple d'utilisation du système de commande 30 va maintenant être décrit en référence aux figures 1 à 5.An example of use of the control system 30 will now be described with reference to Figures 1 to 5 .

Initialement, la plaque 33 est dans un état désassemblé du système 30. Le pion 60 et l'organe de rappel 68 sont préalablement montés dans le dispositif 30. La plaque 33 est d'abord montée sur l'organe rotatif 32, par exemple en enfilant la portion de l'organe rotatif 32 portant la cavité 46 au travers de l'orifice central 80 de la plaque 33. La plaque 33 est tournée de manière à ce que la griffe 136 soit disposée en regard de la partie secondaire 134 de la rainure 130. La plaque 33 est alors dans sa position de montage. La plaque 33 est alors poussée en direction de l'organe 32 selon l'axe X1. Ce faisant, la griffe 136 pénètre dans la rainure 130. Simultanément, l'extrémité proximale 70 du pion 60 est repoussée par la plaque 33, ce qui entraine un déplacement du pion 60 dans sa position escamotée.Initially, the plate 33 is in a disassembled state of the system 30. The pin 60 and the return member 68 are previously mounted in the device 30. The plate 33 is first mounted on the rotary member 32, for example in threading the portion of the rotatable member 32 carrying the cavity 46 through the central orifice 80 of the plate 33. The plate 33 is rotated so that the claw 136 is disposed opposite the secondary portion 134 of the groove 130. The plate 33 is then in its mounting position. The plate 33 is then pushed towards the member 32 along the axis X1. In doing so, the claw 136 enters the groove 130. Simultaneously, the proximal end 70 of the pin 60 is pushed by the plate 33, which causes a movement of the pin 60 in its retracted position.

Ensuite, la plaque 33 est mise en rotation rapport à l'organe rotatif 32 de manière à amener la plaque 33 dans sa position de déverrouillage, comme illustré à la figure 4. Par exemple, la plaque 33 est tournée dans le sens illustré par la flèche F1 pendant cette rotation, la griffe 136 quitte la partie secondaire 134 pour pénétrer à l'intérieur de la partie principale 132 de la rainure 130. Simultanément, la plaque 33 se déplace par rapport au pion 60 jusqu'à ce que le logement défini par les parties 102, 104 et 106 de la plaque 33 soit amené en face de l'extrémité proximale 70 du pion 60. Alors, la plaque 33 n'est plus en contact avec l'extrémité 70 et ne s'oppose plus à l'effort E68 exercé par l'organe 68. Le pion 60 est poussé vers sa position escamotée jusqu'à arriver en butée contre la partie droite 104 de la plaque 33. Du fait de la partie droite 106, il n'est plus possible d'imposer à la plaque 33 un mouvement de rotation en sens inverse pour revenir vers la position de montage. Ainsi, on évite que la plaque 33 ne puisse être écartée selon l'axe X1 de l'organe rotatif 32 lorsqu'elle se trouve dans la position de verrouillage, ce qui aurait pour effet de rendre inopérant le blocage exercé par le dispositif de blocage 50 sur l'organe rotatif 32. Si cela se produisait, l'organe rotatif 32 pourrait alors être manipulé, de façon accidentelle ou malveillante, pour commuter l'appareil électrique 20 vers son état actif de façon non autorisé.Then, the plate 33 is rotated relative to the rotatable member 32 so as to bring the plate 33 into its unlocking position, as shown in FIG. figure 4 . For example, the plate 33 is rotated in the direction illustrated by the arrow F1 during this rotation, the claw 136 leaves the secondary portion 134 to penetrate inside the main portion 132 of the groove 130. Simultaneously, the plate 33 is moves relative to the pin 60 until the housing defined by the parts 102, 104 and 106 of the plate 33 is brought opposite the proximal end 70 of the pin 60. Then, the plate 33 is no longer in contact with the end 70 and no longer opposes the force E68 exerted by the member 68. The counter 60 is pushed towards its retracted position until it comes into abutment against the straight part 104 of the plate 33. Because of the straight part 106, it is no longer possible to impose on the plate 33 a rotation movement in the direction reverse to return to the mounting position. Thus, it is avoided that the plate 33 can be spaced along the axis X1 of the rotary member 32 when it is in the locking position, which would have the effect of rendering inoperative the locking exerted by the locking device 50 on the rotary member 32. If this occurred, the rotatable member 32 could then be manipulated, accidentally or maliciously, to switch the electrical apparatus 20 to its active state in an unauthorized manner.

Une fois que la plaque 33 est dans sa position déverrouillée, le dispositif de blocage est dans sa configuration de libération. L'organe rotatif 32 est donc librement déplaçable entre ses première et deuxième positions pour commuter l'appareil électrique entre ses états actif et éteint. Par exemple, la porte 12 est fermée et la commande de l'appareil 20 est effectuée au moyen de la poignée 36 depuis l'extérieur de l'armoire 2.Once the plate 33 is in its unlocked position, the blocking device is in its release configuration. The rotary member 32 is freely movable between its first and second positions to switch the electrical device between its active and off states. For example, the door 12 is closed and the control of the apparatus 20 is effected by means of the handle 36 from the outside of the cabinet 2.

Puis, pour verrouiller l'organe rotatif 32 dans sa première position, la porte 12 est ouverte. La plaque 33 tournée autour de l'axe X1 par rapport à l'organe rotatif 32, par exemple manuellement, jusqu'à ce que les orifices 84 et 56 se recouvrent et forment l'ouverture 86. Simultanément, la zone d'appui 100 se déplace jusqu'à ce que la partie inclinée 102 vienne en contact avec la tête 72 du pion 60, exerçant ainsi l'effort E102 comme décrit précédemment. La rotation progressive de la plaque 33 déplace le pion 60 vers sa position déployée dans le trou 66. A l'issue de la rotation, la plaque 33 est dans sa position verrouillée, comme illustré à la figure 3. Le pion 60 est dans sa position déployée et empêche tout déplacement en rotation de l'organe rotatif 32 par rapport au bâti 34.Then, to lock the rotary member 32 in its first position, the door 12 is open. The plate 33 rotates about the axis X1 relative to the rotary member 32, for example manually, until the orifices 84 and 56 overlap and form the opening 86. Simultaneously, the bearing zone 100 moves until the inclined portion 102 comes into contact with the head 72 of the pin 60, exerting the effort E102 as described above. The progressive rotation of the plate 33 moves the pin 60 towards its deployed position in the hole 66. At the end of the rotation, the plate 33 is in its locked position, as illustrated in FIG. figure 3 . The pin 60 is in its extended position and prevents any rotational movement of the rotary member 32 relative to the frame 34.

Cela empêche donc de commuter l'appareil électrique 20 vers son état électrique actif. Dans cette position verrouillée, les orifices 56 et 84 sont superposés l'un avec l'autre et forment ensemble l'ouverture 86. Un utilisateur peut donc facilement insérer un organe de verrouillage 88 dans l'obturateur 86. Tant que cet organe 88 est présent, la plaque 33 est maintenue dans sa position verrouillée rendant impossible tout déplacement par rapport à l'organe 32.This therefore prevents switching the electrical apparatus 20 to its active electrical state. In this locked position, the orifices 56 and 84 are superimposed with each other and together form the opening 86. A user can easily insert a locking member 88 in the shutter 86. As long as this member 88 is now, the plate 33 is kept in its locked position making it impossible to move relative to the member 32.

Lorsqu'un utilisateur retire l'organe de verrouillage 88, la plaque 33 est à nouveau déplaçable par rapport à l'organe rotatif 32. La plaque 33 est alors tournée dans un sens de rotation opposé et la zone 100 se déplace dans un sens de déplacement opposé à celui illustré par la flèche F1. Sous l'effort E68, le pion 60 se déplace vers sa position escamotée jusqu'à arriver en butée contre la partie 104. Parallèlement, les orifices 84 et 56 s'éloignent l'un de l'autre rendant impossible l'insertion d'un outil de verrouillage pour solidariser entre eux la plaque 33 et l'organe rotatif 32. La plaque 33 est alors dans sa position déverrouillée, comme illustré à la figure 2. L'organe rotatif 32 est librement déplaçable vers sa deuxième position pour commuter l'appareil électrique 20 vers son état actif.When a user removes the locking member 88, the plate 33 is again movable relative to the rotary member 32. The plate 33 is then rotated in an opposite direction of rotation and the zone 100 moves in a direction of rotation. opposite to the one illustrated by the arrow F1. Under the force E68, the pin 60 moves to its position retracted up to abut against the portion 104. Meanwhile, the orifices 84 and 56 move away from each other making it impossible to insert a locking tool to secure between them the plate 33 and the rotating member 32. The plate 33 is then in its unlocked position, as shown in FIG. figure 2 . Rotating member 32 is freely movable to its second position to switch electrical apparatus 20 to its active state.

De façon avantageuse, le système de commande 30 comporte une poignée supplémentaire de commande 200, comme illustré uniquement sur la figure 6. La poignée 200 est montée sur l'arbre 44 à l'intérieur de l'armoire 2. Cette poignée 200 est distincte de la poignée 36. La poignée 200 est configurée pour faciliter un déplacement en rotation de l'arbre 44 autour de l'axe X1 par un utilisateur. Elle permet également d'empêcher que cette mise en rotation soit accidentelle.Advantageously, the control system 30 includes an additional control handle 200, as illustrated only on the figure 6 . The handle 200 is mounted on the shaft 44 inside the cabinet 2. This handle 200 is distinct from the handle 36. The handle 200 is configured to facilitate a rotational movement of the shaft 44 around the X1 axis by a user. It also prevents this rotation is accidental.

La poignée 200 comporte un corps extérieur 202 pourvu d'un alésage central 204 permettant le passage de l'arbre 44. La poignée 200 comporte en outre une partie mobile 206 déplaçable en translation par rapport au corps 202 le long d'un axe Y1 solidaire du corps extérieur 202 et perpendiculaire à l'axe X1. La partie mobile 206 comporte une portion extérieure 208 et des mâchoires 210 définissant un logement 212.The handle 200 comprises an outer body 202 provided with a central bore 204 allowing the passage of the shaft 44. The handle 200 further comprises a movable portion 206 displaceable in translation relative to the body 202 along an integral Y1 axis of the outer body 202 and perpendicular to the axis X1. The movable portion 206 has an outer portion 208 and jaws 210 defining a housing 212.

La partie mobile 202 est déplaçable, le long de l'axe Y1, entre une première position dans laquelle l'arbre 44 est éloigné des mâchoires 210 et se trouve en dehors du logement 212, et une deuxième position dans laquelle l'arbre 44 est enserré par les mâchoires 210 à l'intérieur du logement 212.The movable portion 202 is movable, along the axis Y1, between a first position in which the shaft 44 is remote from the jaws 210 and is outside the housing 212, and a second position in which the shaft 44 is enclosed by the jaws 210 inside the housing 212.

La poignée 200 comporte en outre un organe de rappel 214, tel qu'un ressort, configuré pour exercer un effort de rappel sur la partie mobile 206 le long de l'axe Y1 pour ramener la partie mobile 206 vers sa première position.The handle 200 further comprises a return member 214, such as a spring, configured to exert a return force on the movable portion 206 along the axis Y1 to bring the movable portion 206 to its first position.

Lorsque la partie mobile 206 est dans sa première position, la poignée 200 est mobile en rotation par rapport à l'arbre 44 autour de l'axe X1. Ainsi la mise en mouvement de la poignée 200 n'entraine pas de mise en rotation correspondante de l'arbre 44.When the movable portion 206 is in its first position, the handle 200 is rotatable relative to the shaft 44 about the axis X1. Thus the setting in motion of the handle 200 does not cause corresponding rotation of the shaft 44.

Avantageusement, la poignée 200 exerce malgré tout un effort non nul sur l'arbre 44, pour éviter que la poignée 200 ne glisse librement sur l'arbre 44, ce qui permet de la maintenir à un emplacement souhaitée par un utilisateur.Advantageously, the handle 200 still exerts a non-zero force on the shaft 44, to prevent the handle 200 from sliding freely on the shaft 44, which allows to maintain it at a desired location by a user.

Lorsque la partie mobile 206 est dans la deuxième position, la poignée 200 est solidaire en rotation avec l'arbre 44 autour de l'axe X1, grâce à l'action des mâchoires 210 sur l'arbre 44. Un mouvement en rotation de la poignée 200 entraine donc un mouvement de rotation correspondant de l'arbre 44 autour de l'axe X1.When the movable portion 206 is in the second position, the handle 200 is rotationally integral with the shaft 44 about the axis X1, thanks to the action of the jaws 210 on the shaft 44. A rotating movement of the handle 200 therefore causes a corresponding rotational movement of the shaft 44 about the axis X1.

Le passage entre les première et deuxième positions de la partie mobile 206 est réalisé en exerçant une pression sur la partie extérieure 208 le long de l'axe Y1. Lorsque cette pression est suffisamment élevée, elle s'oppose à l'effort de rappel par l'organe de rappel 214 et entraine en déplacement la partie mobile vers sa deuxième position. Lorsqu'aucune pression n'est exercée sur la partie extérieure 208, la partie mobile 206 regagne sa première position sous l'effet de l'organe de rappel 214.The passage between the first and second positions of the movable portion 206 is effected by exerting pressure on the outer portion 208 along the Y1 axis. When this pressure is sufficiently high, it opposes the return force by the return member 214 and causes displacement of the movable portion to its second position. When no pressure is exerted on the outer portion 208, the movable portion 206 returns to its first position under the effect of the return member 214.

Ainsi, la poignée 200 ne peut être utilisée que lorsqu'un effort est appliqué sur la partie extérieure 208. De cette manière, on s'assure que la mise en rotation de la poignée 200 est le résultat d'une action délibérée de la part d'un utilisateur et non pas d'un mouvement accidentel exercé sur la poignée 200.Thus, the handle 200 can be used only when a force is applied on the outer portion 208. In this way, it is ensured that the rotation of the handle 200 is the result of a deliberate action on the part of a user and not an accidental movement exerted on the handle 200.

La poignée 200 peut-être mise en oeuvre indépendamment du système de commande 30 précédemment décrit.The handle 200 can be implemented independently of the control system 30 described above.

En variante, l'appareil 20 n'est pas un appareil électrique. Il peut s'agir d'une vanne commandable.Alternatively, the apparatus 20 is not an electrical apparatus. It can be a controllable valve.

Les différentes variantes et les différents modes de réalisation de l'invention peuvent être combinés entre eux pour former de nouveaux modes de réalisation de l'invention.The different variants and different embodiments of the invention can be combined with each other to form new embodiments of the invention.

Claims (10)

  1. Rotary control system (30) for an apparatus (20), the system comprising:
    - a rotary control member (32) which is movable in rotation about a first fixed axis (X1), between first and second positions,
    - a rotary control handle (36) which is to be secured in rotation to the rotary member about the first axis,
    - a blocking device (50) which is selectively displaceable, when the rotary member (32) is in its first position, between:
    ∘ a blocking configuration, in which it prevents the rotary member from being displaced towards its second position, and
    ∘ a release configuration, in which it allows the rotary member to be displaced towards its second position,
    the system being characterised in that it further comprises a locking plate (33) which is movable in rotation about the first axis (X1) relative to the rotary member (32), when the rotary member is in its first position, between:
    ∘ a locking position, in which a first through-orifice (56) of the rotary member is superposed with a second through-orifice (84) of the locking plate, the first and second orifices then forming an opening (86) capable of receiving a locking tool (88) which secures the rotary member in rotation with the locking plate about the first axis, and
    ∘ an unlocking position, in which the first and second orifices (56, 84) are offset relative to one another and do not together form the opening,
    and in that the locking plate (33) is configured to switch the blocking device (50) between its blocking and release configurations when it is displaced between its locked and unlocked positions, respectively.
  2. Control system according to claim 1, characterised in that the blocking device (50) comprises:
    - a pin (60) carried by the rotary member (32), the pin being movable in translation relative to the rotary member between:
    ∘ a deployed position, in which a first end (64) of the pin is received inside a hole (66) formed on a fixed frame (34) of the control system and prevents the rotary member from rotating, the blocking device (50) then being in its blocking configuration, and
    ∘ a retracted position, in which the first end of the pin is outside the hole and allows the rotary member to rotate, the blocking device then being in its release configuration,
    - a return member (68) which exerts a return force on the pin towards its retracted position,
    - a bearing zone (102) which is carried by the locking plate (33) and configured to push (E102) the pin towards its deployed position by bearing on a second end (70) of the pin, opposite the first end, when the locking plate is displaced (F1) towards its locked position.
  3. Control system according to claim 2, characterised in that the bearing zone is a plane (102) which is inclined (α) relative to a principal geometric plane (P2) of the locking plate (33).
  4. Control system according to either claim 2 or claim 3, characterised in that the return member comprises a spring (68).
  5. Control system according to any one of the preceding claims, characterised in that the rotary handle (36) and the rotary member (32) are integrated by means of a shaft (44), in that the rotary member has a cavity (46) which receives an end of the shaft and a part (48) for fixing the shaft to the rotary member, and in that the locking plate has a protective strip (120) which protrudes from the locking plate, the protective strip being shaped to cover the fixing part (48) only when the locking plate is in its locked position.
  6. Control system according to any one of the preceding claims, characterised in that:
    - the rotary member (32) has a groove (130) which is formed on one of its outer faces and opens into a volume which is delimited at least in part by an inside wall of the rotary member,
    - the locking plate (33) has a grip (136) which has a retaining portion (138), the grip being inserted into the groove so that the retaining portion rests on a rear face of a body (52) of the rotary member, the opening thickness (E1) of a main portion (132) of the groove being smaller than the width (E3) of the retaining portion of the grip in order to prevent the locking plate from being displaced in translation along the first axis (X1) relative to the rotary member.
  7. Control system according to claim 6, characterised in that the groove (130) has a secondary portion (134) which has an opening thickness (E2) greater than the width (E3) of the retaining portion (138) of the grip (136), the secondary portion defining a mounting position of the locking plate (33) which is distinct from the locking and unlocking positions and in which the locking plate is displaceable in translation relative to the rotary member (32) along the first axis (X1).
  8. Control system according to claim 7, characterised in that the locking plate (33) is shaped to prevent it from being displaced towards its mounting position once the grip (136) has been inserted in the groove (130).
  9. Control system according to claim 8 and any one of claims 2 to 4, characterised in that the locking plate (33) has a straight portion (106) which is shaped to abut the pin (60) when the pin is in its retracted position and when the locking plate is displaced towards its mounting position.
  10. Electrical cabinet (2), comprising:
    - a controllable electrical apparatus (20) housed inside the cabinet,
    - a rotary control system (30) connected to the electrical apparatus for controlling the electrical apparatus from outside the cabinet,
    the electrical cabinet being characterised in that the control system (30) is in accordance with any one of the preceding claims.
EP17156599.7A 2016-02-19 2017-02-17 Rotary command system for a device Active EP3208820B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1651363A FR3048119B1 (en) 2016-02-19 2016-02-19 ROTARY CONTROL SYSTEM FOR AN APPARATUS

Publications (2)

Publication Number Publication Date
EP3208820A1 EP3208820A1 (en) 2017-08-23
EP3208820B1 true EP3208820B1 (en) 2018-11-21

Family

ID=55808673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17156599.7A Active EP3208820B1 (en) 2016-02-19 2017-02-17 Rotary command system for a device

Country Status (6)

Country Link
US (1) US10345849B2 (en)
EP (1) EP3208820B1 (en)
CN (1) CN107104011B (en)
DK (1) DK3208820T3 (en)
ES (1) ES2711571T3 (en)
FR (1) FR3048119B1 (en)

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Publication number Priority date Publication date Assignee Title
US11261628B2 (en) * 2017-02-08 2022-03-01 Kason Industries, Inc. Cold room latch
CN109509651B (en) * 2017-09-15 2022-05-27 Abb 瑞士股份有限公司 Switching device and associated switch
CN110085463B (en) * 2018-01-26 2023-08-01 Abb 瑞士股份有限公司 Lock assembly for components of an electrical distribution system
FR3091447B1 (en) * 2018-12-27 2021-01-22 Nexo Acoustic enclosure frame comprising a device for connecting to another acoustic enclosure and acoustic enclosure comprising such a frame
EP3889983B1 (en) 2020-04-01 2024-04-03 Gorlan Team, S.L.U. Detachable knob for actuating switchgear, and a switchgear device incorporating the detachable knob
CN114070664A (en) * 2021-10-25 2022-02-18 中国航空无线电电子研究所 Multichannel bus switching device
CN114121518A (en) * 2021-11-23 2022-03-01 扬戈科技股份有限公司 Resilience reset mechanism of master controller

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DE19606271A1 (en) * 1996-02-21 1997-08-28 Kloeckner Moeller Gmbh Circuit breaker with locking device against switching on
DE19939717A1 (en) 1999-08-21 2001-02-22 Moeller Gmbh Manual operating device electrical switching device, has rotary handle connected to drive plate within ridge with edge segments forming circle when in off position
US6974922B2 (en) 2004-03-30 2005-12-13 Rockwell Automation Technologies, Inc. Rotary service switch for the interior of electrical enclosures having a disconnect switch
US20070011922A1 (en) * 2005-02-11 2007-01-18 Chang-Fu Huang Disposable cup and cup cover for advertisement
FR2894041B1 (en) * 2005-11-29 2007-12-28 Schneider Electric Ind Sas LOCKABLE ROTARY CONTROL HANDLE
US9396894B2 (en) * 2013-11-04 2016-07-19 Rocal Corporation Conductivity power connection

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Also Published As

Publication number Publication date
EP3208820A1 (en) 2017-08-23
US10345849B2 (en) 2019-07-09
ES2711571T3 (en) 2019-05-06
FR3048119A1 (en) 2017-08-25
US20170242453A1 (en) 2017-08-24
CN107104011A (en) 2017-08-29
FR3048119B1 (en) 2018-03-30
CN107104011B (en) 2020-01-10
DK3208820T3 (en) 2019-01-14

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